12668018 has 16 divisors (see below), whose sum is σ = 20835360. Its totient is φ = 5728800.

The previous prime is 12667999. The next prime is 12668021. The reversal of 12668018 is 81086621.

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, 3278 + ... + 6006.

It is an arithmetic number, because the mean of its divisors is an integer number (1302210).

Almost surely, 2^12668018 is an apocalyptic number.

12668018 is a deficient number, since it is larger than the sum of its proper divisors (8167342).

12668018 is a wasteful number, since it uses less digits than its factorization.

12668018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12668018 is about 3559.2159248913. The cubic root of 12668018 is about 233.1146445337.

The spelling of 12668018 in words is "twelve million, six hundred sixty-eight thousand, eighteen".