12668662 has 16 divisors (see below), whose sum is σ = 19514880. Its totient is φ = 6165288.

The previous prime is 12668659. The next prime is 12668717. The reversal of 12668662 is 26686621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28639 + ... + 29077.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680).

Almost surely, 2^12668662 is an apocalyptic number.

12668662 is a deficient number, since it is larger than the sum of its proper divisors (6846218).

12668662 is a wasteful number, since it uses less digits than its factorization.

12668662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795.

The product of its digits is 41472, while the sum is 37.

The square root of 12668662 is about 3559.3063931053. The cubic root of 12668662 is about 233.1185947251.

The spelling of 12668662 in words is "twelve million, six hundred sixty-eight thousand, six hundred sixty-two".