12791976 has 16 divisors (see below), whose sum is σ = 31980000. Its totient is φ = 4263984.

The previous prime is 12791969. The next prime is 12791981. The reversal of 12791976 is 67919721.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct 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, 266476 + ... + 266523.

It is an arithmetic number, because the mean of its divisors is an integer number (1998750).

Almost surely, 2^12791976 is an apocalyptic number.

It is an amenable number.

12791976 is an abundant number, since it is smaller than the sum of its proper divisors (19188024).

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

12791976 is a wasteful number, since it uses less digits than its factorization.

12791976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533008 (or 533004 counting only the distinct ones).

The product of its digits is 47628, while the sum is 42.

The square root of 12791976 is about 3576.5872001113. The cubic root of 12791976 is about 233.8725290098.

The spelling of 12791976 in words is "twelve million, seven hundred ninety-one thousand, nine hundred seventy-six".