12664868 has 12 divisors (see below), whose sum is σ = 23330160. Its totient is φ = 5999112.

The previous prime is 12664829. The next prime is 12664871. The reversal of 12664868 is 86846621.

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, 83246 + ... + 83397.

It is an arithmetic number, because the mean of its divisors is an integer number (1944180).

Almost surely, 2^12664868 is an apocalyptic number.

It is an amenable number.

12664868 is a deficient number, since it is larger than the sum of its proper divisors (10665292).

12664868 is a wasteful number, since it uses less digits than its factorization.

12664868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166666 (or 166664 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 12664868 is about 3558.7733841873. The cubic root of 12664868 is about 233.0953210162.

The spelling of 12664868 in words is "twelve million, six hundred sixty-four thousand, eight hundred sixty-eight".