12945968 has 20 divisors (see below), whose sum is σ = 28666320. Its totient is φ = 5548224.

The previous prime is 12945937. The next prime is 12945971. The reversal of 12945968 is 86954921.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 57683 + ... + 57906.

It is an arithmetic number, because the mean of its divisors is an integer number (1433316).

Almost surely, 2^12945968 is an apocalyptic number.

It is an amenable number.

12945968 is an abundant number, since it is smaller than the sum of its proper divisors (15720352).

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

12945968 is a wasteful number, since it uses less digits than its factorization.

12945968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115604 (or 115598 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 12945968 is about 3598.0505833020. The cubic root of 12945968 is about 234.8072540559.

The spelling of 12945968 in words is "twelve million, nine hundred forty-five thousand, nine hundred sixty-eight".