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12707685 = 35510459
BaseRepresentation
bin110000011110…
…011101100101
3212220121200000
4300132131211
511223121220
61132211513
7213004434
oct60363545
925817600
1012707685
11719a521
124309b99
13282c153
14198b11b
1511b0390
hexc1e765

12707685 has 24 divisors (see below), whose sum is σ = 22844640. Its totient is φ = 6776784.

The previous prime is 12707683. The next prime is 12707693. The reversal of 12707685 is 58670721.

It is not a de Polignac number, because 12707685 - 21 = 12707683 is a prime.

It is a super-2 number, since 2×127076852 = 322970516118450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12707683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4015 + ... + 6444.

It is an arithmetic number, because the mean of its divisors is an integer number (951860).

Almost surely, 212707685 is an apocalyptic number.

12707685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12707685 is a deficient number, since it is larger than the sum of its proper divisors (10136955).

12707685 is an equidigital number, since it uses as much as digits as its factorization.

12707685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10479 (or 10467 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 12707685 is about 3564.7840046769. The cubic root of 12707685 is about 233.3577060708.

The spelling of 12707685 in words is "twelve million, seven hundred seven thousand, six hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 1215 10459 31377 52295 94131 156885 282393 470655 847179 1411965 2541537 4235895 12707685