12832320 has 56 divisors (see below), whose sum is σ = 40745664. Its totient is φ = 3421696.

The previous prime is 12832301. The next prime is 12832333. The reversal of 12832320 is 2323821.

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, 5724 + ... + 7643.

Almost surely, 2^12832320 is an apocalyptic number.

12832320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12832320 is an abundant number, since it is smaller than the sum of its proper divisors (27913344).

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

12832320 is a wasteful number, since it uses less digits than its factorization.

12832320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13387 (or 13377 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12832320 is about 3582.2227736421. Note that the first 3 decimals coincide. The cubic root of 12832320 is about 234.1181374396.

The spelling of 12832320 in words is "twelve million, eight hundred thirty-two thousand, three hundred twenty".