12732544 has 32 divisors (see below), whose sum is σ = 27674640. Its totient is φ = 5786880.

The previous prime is 12732529. The next prime is 12732553. The reversal of 12732544 is 44523721.

It is a tau number, because it is divible by the number of its divisors (32).

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, 3114 + ... + 5929.

Almost surely, 2^12732544 is an apocalyptic number.

It is an amenable number.

12732544 is an abundant number, since it is smaller than the sum of its proper divisors (14942096).

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

12732544 is an equidigital number, since it uses as much as digits as its factorization.

12732544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9068 (or 9056 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 12732544 is about 3568.2690481521. The cubic root of 12732544 is about 233.5097731238.

The spelling of 12732544 in words is "twelve million, seven hundred thirty-two thousand, five hundred forty-four".