12724832 has 24 divisors (see below), whose sum is σ = 26371800. Its totient is φ = 6027264.

The previous prime is 12724807. The next prime is 12724853. The reversal of 12724832 is 23842721.

It is a junction number, because it is equal to n+sod(n) for n = 12724795 and 12724804.

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, 9857 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (1098825).

Almost surely, 2^12724832 is an apocalyptic number.

It is an amenable number.

12724832 is an abundant number, since it is smaller than the sum of its proper divisors (13646968).

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

12724832 is a wasteful number, since it uses less digits than its factorization.

12724832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20958 (or 20950 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 12724832 is about 3567.1882484669. The cubic root of 12724832 is about 233.4626186019.

The spelling of 12724832 in words is "twelve million, seven hundred twenty-four thousand, eight hundred thirty-two".