12636912 has 20 divisors (see below), whose sum is σ = 32645480. Its totient is φ = 4212288.

The previous prime is 12636893. The next prime is 12636931. The reversal of 12636912 is 21963621.

It is an interprime number because it is at equal distance from previous prime (12636893) and next prime (12636931).

It is a self number, because there is not a number n which added to its sum of digits gives 12636912.

It is a congruent number.

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, 131587 + ... + 131682.

It is an arithmetic number, because the mean of its divisors is an integer number (1632274).

Almost surely, 2^12636912 is an apocalyptic number.

12636912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12636912 is an abundant number, since it is smaller than the sum of its proper divisors (20008568).

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

12636912 is a wasteful number, since it uses less digits than its factorization.

12636912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263280 (or 263274 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 12636912 is about 3554.8434564689. The cubic root of 12636912 is about 232.9236857655.

The spelling of 12636912 in words is "twelve million, six hundred thirty-six thousand, nine hundred twelve".