12895864 has 16 divisors (see below), whose sum is σ = 24355800. Its totient is φ = 6400992.

The previous prime is 12895849. The next prime is 12895873. The reversal of 12895864 is 46859821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12895864.

It is a congruent number.

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, 4687 + ... + 6910.

Almost surely, 2^12895864 is an apocalyptic number.

It is an amenable number.

12895864 is a deficient number, since it is larger than the sum of its proper divisors (11459936).

12895864 is a wasteful number, since it uses less digits than its factorization.

12895864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11742 (or 11738 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 12895864 is about 3591.0811742427. The cubic root of 12895864 is about 234.5039422993.

The spelling of 12895864 in words is "twelve million, eight hundred ninety-five thousand, eight hundred sixty-four".