12964656 has 20 divisors (see below), whose sum is σ = 33492152. Its totient is φ = 4321536.

The previous prime is 12964643. The next prime is 12964661. The reversal of 12964656 is 65646921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135001 + ... + 135096.

Almost surely, 2^12964656 is an apocalyptic number.

12964656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12964656 is an abundant number, since it is smaller than the sum of its proper divisors (20527496).

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

12964656 is a wasteful number, since it uses less digits than its factorization.

12964656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270108 (or 270102 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 12964656 is about 3600.6466085969. The cubic root of 12964656 is about 234.9201841512.

The spelling of 12964656 in words is "twelve million, nine hundred sixty-four thousand, six hundred fifty-six".