12872997 has 12 divisors (see below), whose sum is σ = 18627180. Its totient is φ = 8566848.

The previous prime is 12872987. The next prime is 12872999. The reversal of 12872997 is 79927821.

It can be written as a sum of positive squares in 2 ways, for example, as 9771876 + 3101121 = 3126^2 + 1761^2 .

It is not a de Polignac number, because 12872997 - 2⁶ = 12872933 is a prime.

It is a hoax number, since the sum of its digits (45) 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 (12872999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6879 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (1552265).

Almost surely, 2^12872997 is an apocalyptic number.

It is an amenable number.

12872997 is a deficient number, since it is larger than the sum of its proper divisors (5754183).

12872997 is a wasteful number, since it uses less digits than its factorization.

12872997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532 (or 2529 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 12872997 is about 3587.8959014999. The cubic root of 12872997 is about 234.3652525013.

The spelling of 12872997 in words is "twelve million, eight hundred seventy-two thousand, nine hundred ninety-seven".