12996664 has 16 divisors (see below), whose sum is σ = 24936120. Its totient is φ = 6347040.

The previous prime is 12996661. The next prime is 12996667. The reversal of 12996664 is 46669921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12996661) and next prime (12996667).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 12996664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12996661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18547 + ... + 19234.

Almost surely, 2^12996664 is an apocalyptic number.

It is an amenable number.

12996664 is a deficient number, since it is larger than the sum of its proper divisors (11939456).

12996664 is a wasteful number, since it uses less digits than its factorization.

12996664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37830 (or 37826 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 12996664 is about 3605.0886258177. The cubic root of 12996664 is about 235.1133540962.

The spelling of 12996664 in words is "twelve million, nine hundred ninety-six thousand, six hundred sixty-four".