12868636 has 12 divisors (see below), whose sum is σ = 24567480. Its totient is φ = 5849360.

The previous prime is 12868613. The next prime is 12868651. The reversal of 12868636 is 63686821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146191 + ... + 146278.

It is an arithmetic number, because the mean of its divisors is an integer number (2047290).

Almost surely, 2^12868636 is an apocalyptic number.

It is an amenable number.

12868636 is a deficient number, since it is larger than the sum of its proper divisors (11698844).

12868636 is a wasteful number, since it uses less digits than its factorization.

12868636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292484 (or 292482 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 12868636 is about 3587.2881122096. The cubic root of 12868636 is about 234.3387841168.

The spelling of 12868636 in words is "twelve million, eight hundred sixty-eight thousand, six hundred thirty-six".