12622944 has 24 divisors (see below), whose sum is σ = 33135480. Its totient is φ = 4207616.

The previous prime is 12622943. The next prime is 12622949. The reversal of 12622944 is 44922621.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12622943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65649 + ... + 65840.

It is an arithmetic number, because the mean of its divisors is an integer number (1380645).

Almost surely, 2^12622944 is an apocalyptic number.

It is an amenable number.

12622944 is an abundant number, since it is smaller than the sum of its proper divisors (20512536).

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

12622944 is a wasteful number, since it uses less digits than its factorization.

12622944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131502 (or 131494 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 12622944 is about 3552.8782697976. The cubic root of 12622944 is about 232.8378346887.

The spelling of 12622944 in words is "twelve million, six hundred twenty-two thousand, nine hundred forty-four".