12631984 has 20 divisors (see below), whose sum is σ = 24529680. Its totient is φ = 6301760.

The previous prime is 12631963. The next prime is 12631987. The reversal of 12631984 is 48913621.

12631984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12631987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12954 + ... + 13894.

It is an arithmetic number, because the mean of its divisors is an integer number (1226484).

Almost surely, 2^12631984 is an apocalyptic number.

It is an amenable number.

12631984 is a deficient number, since it is larger than the sum of its proper divisors (11897696).

12631984 is an equidigital number, since it uses as much as digits as its factorization.

12631984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788 (or 1782 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 12631984 is about 3554.1502500598. The cubic root of 12631984 is about 232.8934041807.

The spelling of 12631984 in words is "twelve million, six hundred thirty-one thousand, nine hundred eighty-four".