12531984 has 40 divisors (see below), whose sum is σ = 32637792. Its totient is φ = 4143360.

The previous prime is 12531977. The next prime is 12532061. The reversal of 12531984 is 48913521.

12531984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5292 + ... + 7284.

Almost surely, 2^12531984 is an apocalyptic number.

It is an amenable number.

12531984 is an abundant number, since it is smaller than the sum of its proper divisors (20105808).

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

12531984 is a wasteful number, since it uses less digits than its factorization.

12531984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2129 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 12531984 is about 3540.0542368726. The cubic root of 12531984 is about 232.2772151971.

It can be divided in two parts, 12 and 531984, that added together give a triangular number (531996 = T₁₀₃₁).

The spelling of 12531984 in words is "twelve million, five hundred thirty-one thousand, nine hundred eighty-four".