12832520 has 32 divisors (see below), whose sum is σ = 28975320. Its totient is φ = 5114880.

The previous prime is 12832513. The next prime is 12832531. The reversal of 12832520 is 2523821.

It can be written as a sum of positive squares in 4 ways, for example, as 10329796 + 2502724 = 3214^2 + 1582^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21344 + ... + 21936.

Almost surely, 2^12832520 is an apocalyptic number.

12832520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12832520 is an abundant number, since it is smaller than the sum of its proper divisors (16142800).

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

12832520 is a wasteful number, since it uses less digits than its factorization.

12832520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12832520 is about 3582.2506891618. The cubic root of 12832520 is about 234.1193537274.

The spelling of 12832520 in words is "twelve million, eight hundred thirty-two thousand, five hundred twenty".