12732912 has 30 divisors (see below), whose sum is σ = 35634872. Its totient is φ = 4244256.

The previous prime is 12732883. The next prime is 12732959. The reversal of 12732912 is 21923721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44068 + ... + 44355.

Almost surely, 2^12732912 is an apocalyptic number.

12732912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12732912 is an abundant number, since it is smaller than the sum of its proper divisors (22901960).

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

12732912 is a wasteful number, since it uses less digits than its factorization.

12732912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88437 (or 88428 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 12732912 is about 3568.3206133978. The cubic root of 12732912 is about 233.5120227598.

The spelling of 12732912 in words is "twelve million, seven hundred thirty-two thousand, nine hundred twelve".