12644960 has 24 divisors (see below), whose sum is σ = 29874096. Its totient is φ = 5057920.

The previous prime is 12644941. The next prime is 12645011. The reversal of 12644960 is 6944621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 39356 + ... + 39675.

It is an arithmetic number, because the mean of its divisors is an integer number (1244754).

Almost surely, 2^12644960 is an apocalyptic number.

12644960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12644960 is an abundant number, since it is smaller than the sum of its proper divisors (17229136).

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

12644960 is an equidigital number, since it uses as much as digits as its factorization.

12644960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79046 (or 79038 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 12644960 is about 3555.9752530073. The cubic root of 12644960 is about 232.9731222105.

The spelling of 12644960 in words is "twelve million, six hundred forty-four thousand, nine hundred sixty".