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12708612 = 22327293747
BaseRepresentation
bin110000011110…
…101100000100
3212220122221100
4300132230010
511223133422
61132220100
7213010230
oct60365404
925818840
1012708612
1171a0194
12430a630
13282c6b7
14198b5c0
1511b07ac
hexc1eb04

12708612 has 144 divisors (see below), whose sum is σ = 39836160. Its totient is φ = 3338496.

The previous prime is 12708593. The next prime is 12708617. The reversal of 12708612 is 21680721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12708617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270373 + ... + 270419.

It is an arithmetic number, because the mean of its divisors is an integer number (276640).

Almost surely, 212708612 is an apocalyptic number.

12708612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12708612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19918080).

12708612 is an abundant number, since it is smaller than the sum of its proper divisors (27127548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12708612 is a wasteful number, since it uses less digits than its factorization.

12708612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 12708612 is about 3564.9140242087. The cubic root of 12708612 is about 233.3633802576.

The spelling of 12708612 in words is "twelve million, seven hundred eight thousand, six hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 29 36 37 42 47 58 63 74 84 87 94 111 116 126 141 148 174 188 203 222 252 259 261 282 329 333 348 406 423 444 518 522 564 609 658 666 777 812 846 987 1036 1044 1073 1218 1316 1332 1363 1554 1692 1739 1827 1974 2146 2331 2436 2726 2961 3108 3219 3478 3654 3948 4089 4292 4662 5217 5452 5922 6438 6956 7308 7511 8178 9324 9541 9657 10434 11844 12173 12267 12876 15022 15651 16356 19082 19314 20868 22533 24346 24534 28623 30044 31302 36519 38164 38628 45066 48692 49068 50431 57246 62604 67599 73038 85869 90132 100862 109557 114492 135198 146076 151293 171738 201724 219114 270396 302586 343476 353017 438228 453879 605172 706034 907758 1059051 1412068 1815516 2118102 3177153 4236204 6354306 12708612