12875917 has 2 divisors, whose sum is σ = 12875918. Its totient is φ = 12875916.

The previous prime is 12875911. The next prime is 12875969. The reversal of 12875917 is 71957821.

12875917 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11634921 + 1240996 = 3411^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 12875917 - 2⁷ = 12875789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12875917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12875911) 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 as a sum of consecutive naturals, namely, 6437958 + 6437959.

It is an arithmetic number, because the mean of its divisors is an integer number (6437959).

Almost surely, 2^12875917 is an apocalyptic number.

It is an amenable number.

12875917 is a deficient number, since it is larger than the sum of its proper divisors (1).

12875917 is an equidigital number, since it uses as much as digits as its factorization.

12875917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 40.

The square root of 12875917 is about 3588.3028021615. The cubic root of 12875917 is about 234.3829716281.

The spelling of 12875917 in words is "twelve million, eight hundred seventy-five thousand, nine hundred seventeen".