12944577904 has 10 divisors (see below), whose sum is σ = 25080119720. Its totient is φ = 6472288944.

The previous prime is 12944577901. The next prime is 12944577913. The reversal of 12944577904 is 40977544921.

It is a happy number.

It is a super-2 number, since 2×12944577904² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944577901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404518044 + ... + 404518075.

It is an arithmetic number, because the mean of its divisors is an integer number (2508011972).

Almost surely, 2^12944577904 is an apocalyptic number.

It is an amenable number.

12944577904 is a deficient number, since it is larger than the sum of its proper divisors (12135541816).

12944577904 is an equidigital number, since it uses as much as digits as its factorization.

12944577904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809036127 (or 809036121 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 12944577904 in words is "twelve billion, nine hundred forty-four million, five hundred seventy-seven thousand, nine hundred four".