12877972 has 24 divisors (see below), whose sum is σ = 24544800. Its totient is φ = 5888736.

The previous prime is 12877957. The next prime is 12877973. The reversal of 12877972 is 27977821.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12877973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (1022700).

Almost surely, 2^12877972 is an apocalyptic number.

It is an amenable number.

12877972 is a deficient number, since it is larger than the sum of its proper divisors (11666828).

12877972 is a wasteful number, since it uses less digits than its factorization.

12877972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895 (or 5893 counting only the distinct ones).

The product of its digits is 98784, while the sum is 43.

The square root of 12877972 is about 3588.5891378089. The cubic root of 12877972 is about 234.3954401610.

The spelling of 12877972 in words is "twelve million, eight hundred seventy-seven thousand, nine hundred seventy-two".