12913867 has 2 divisors, whose sum is σ = 12913868. Its totient is φ = 12913866.

The previous prime is 12913853. The next prime is 12913871. The reversal of 12913867 is 76831921.

12913867 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (76831921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12913867 - 2⁷ = 12913739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12913847) 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, 6456933 + 6456934.

It is an arithmetic number, because the mean of its divisors is an integer number (6456934).

Almost surely, 2^12913867 is an apocalyptic number.

12913867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12913867 is an equidigital number, since it uses as much as digits as its factorization.

12913867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 12913867 is about 3593.5869267349. The cubic root of 12913867 is about 234.6130163254.

The spelling of 12913867 in words is "twelve million, nine hundred thirteen thousand, eight hundred sixty-seven".