12478912 has 28 divisors (see below), whose sum is σ = 25111456. Its totient is φ = 6151680.

The previous prime is 12478909. The next prime is 12478933. The reversal of 12478912 is 21987421.

12478912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 3337 + ... + 6007.

Almost surely, 2^12478912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12478912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12555728).

12478912 is an abundant number, since it is smaller than the sum of its proper divisors (12632544).

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

12478912 is an equidigital number, since it uses as much as digits as its factorization.

12478912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2746 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 12478912 is about 3532.5503534982. The cubic root of 12478912 is about 231.9488591200.

The spelling of 12478912 in words is "twelve million, four hundred seventy-eight thousand, nine hundred twelve".