12913152 has 80 divisors (see below), whose sum is σ = 39348672. Its totient is φ = 3686400.

The previous prime is 12913139. The next prime is 12913163. The reversal of 12913152 is 25131921.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 10152 + ... + 11352.

Almost surely, 2^12913152 is an apocalyptic number.

12913152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12913152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19674336).

12913152 is an abundant number, since it is smaller than the sum of its proper divisors (26435520).

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

12913152 is an equidigital number, since it uses as much as digits as its factorization.

12913152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1213 counting only the distinct ones).

The product of its digits is 540, while the sum is 24.

The square root of 12913152 is about 3593.4874425828. The cubic root of 12913152 is about 234.6086863185.

The spelling of 12913152 in words is "twelve million, nine hundred thirteen thousand, one hundred fifty-two".