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12864360 = 2335235979
BaseRepresentation
bin110001000100…
…101101101000
3220012120120210
4301010231220
511243124420
61135421120
7214226265
oct61045550
926176523
1012864360
117297203
1243847a0
132885562
1419cc26c
1511e19e0
hexc44b68

12864360 has 128 divisors (see below), whose sum is σ = 41472000. Its totient is φ = 3184896.

The previous prime is 12864343. The next prime is 12864361. The reversal of 12864360 is 6346821.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12864361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162801 + ... + 162879.

It is an arithmetic number, because the mean of its divisors is an integer number (324000).

Almost surely, 212864360 is an apocalyptic number.

12864360 is a gapful number since it is divisible by the number (10) 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 12864360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20736000).

12864360 is an abundant number, since it is smaller than the sum of its proper divisors (28607640).

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

12864360 is a wasteful number, since it uses less digits than its factorization.

12864360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 12864360 is about 3586.6920693029. The cubic root of 12864360 is about 234.3128258192.

The spelling of 12864360 in words is "twelve million, eight hundred sixty-four thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 30 40 46 59 60 69 79 92 115 118 120 138 158 177 184 230 236 237 276 295 316 345 354 395 460 472 474 552 590 632 690 708 790 885 920 948 1180 1185 1357 1380 1416 1580 1770 1817 1896 2360 2370 2714 2760 3160 3540 3634 4071 4661 4740 5428 5451 6785 7080 7268 8142 9085 9322 9480 10856 10902 13570 13983 14536 16284 18170 18644 20355 21804 23305 27140 27255 27966 32568 36340 37288 40710 43608 46610 54280 54510 55932 69915 72680 81420 93220 107203 109020 111864 139830 162840 186440 214406 218040 279660 321609 428812 536015 559320 643218 857624 1072030 1286436 1608045 2144060 2572872 3216090 4288120 6432180 12864360