12646992 has 40 divisors (see below), whose sum is σ = 32881824. Its totient is φ = 4188544.

The previous prime is 12646981. The next prime is 12647003. The reversal of 12646992 is 29964621.

It is an interprime number because it is at equal distance from previous prime (12646981) and next prime (12647003).

It is a self number, because there is not a number n which added to its sum of digits gives 12646992.

It is a congruent number.

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, 7543 + ... + 9065.

Almost surely, 2^12646992 is an apocalyptic number.

12646992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12646992 is an abundant number, since it is smaller than the sum of its proper divisors (20234832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12646992 is a wasteful number, since it uses less digits than its factorization.

12646992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1701 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 12646992 is about 3556.2609578039. The cubic root of 12646992 is about 232.9856008588.

It can be divided in two parts, 1264 and 6992, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 12646992 in words is "twelve million, six hundred forty-six thousand, nine hundred ninety-two".