12856764 has 24 divisors (see below), whose sum is σ = 30448768. Its totient is φ = 4221360.

The previous prime is 12856759. The next prime is 12856813. The reversal of 12856764 is 46765821.

12856764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7192 + ... + 8799.

Almost surely, 2^12856764 is an apocalyptic number.

It is an amenable number.

12856764 is an abundant number, since it is smaller than the sum of its proper divisors (17592004).

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

12856764 is a wasteful number, since it uses less digits than its factorization.

12856764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16065 (or 16063 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 12856764 is about 3585.6329985095. The cubic root of 12856764 is about 234.2666986209.

The spelling of 12856764 in words is "twelve million, eight hundred fifty-six thousand, seven hundred sixty-four".