12913344 has 140 divisors (see below), whose sum is σ = 39831264. Its totient is φ = 4133376.

The previous prime is 12913337. The next prime is 12913363. The reversal of 12913344 is 44331921.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 243622 + ... + 243674.

Almost surely, 2^12913344 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 12913344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19915632).

12913344 is an abundant number, since it is smaller than the sum of its proper divisors (26917920).

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

12913344 is an equidigital number, since it uses as much as digits as its factorization.

12913344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 105 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 12913344 is about 3593.5141574787. The cubic root of 12913344 is about 234.6098490773.

The spelling of 12913344 in words is "twelve million, nine hundred thirteen thousand, three hundred forty-four".