12444864 has 28 divisors (see below), whose sum is σ = 32927544. Its totient is φ = 4148224.

The previous prime is 12444851. The next prime is 12444871. The reversal of 12444864 is 46844421.

12444864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

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, 32217 + ... + 32600.

Almost surely, 2^12444864 is an apocalyptic number.

It is an amenable number.

12444864 is an abundant number, since it is smaller than the sum of its proper divisors (20482680).

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

12444864 is an equidigital number, since it uses as much as digits as its factorization.

12444864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64832 (or 64822 counting only the distinct ones).

The product of its digits is 24576, while the sum is 33.

The square root of 12444864 is about 3527.7278806620. The cubic root of 12444864 is about 231.7377138911.

The spelling of 12444864 in words is "twelve million, four hundred forty-four thousand, eight hundred sixty-four".