12936864 has 48 divisors (see below), whose sum is σ = 35961408. Its totient is φ = 4058112.

The previous prime is 12936857. The next prime is 12936877. The reversal of 12936864 is 46863921.

It is a tau number, because it is divible by the number of its divisors (48).

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, 2332 + ... + 5595.

It is an arithmetic number, because the mean of its divisors is an integer number (749196).

Almost surely, 2^12936864 is an apocalyptic number.

It is an amenable number.

12936864 is an abundant number, since it is smaller than the sum of its proper divisors (23024544).

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

12936864 is a wasteful number, since it uses less digits than its factorization.

12936864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957 (or 7949 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 12936864 is about 3596.7852312864. The cubic root of 12936864 is about 234.7521999383.

The spelling of 12936864 in words is "twelve million, nine hundred thirty-six thousand, eight hundred sixty-four".