13391867 has 2 divisors, whose sum is σ = 13391868. Its totient is φ = 13391866.

The previous prime is 13391857. The next prime is 13391909. The reversal of 13391867 is 76819331.

13391867 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 is a cyclic number.

It is not a de Polignac number, because 13391867 - 2⁶ = 13391803 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13391867.

It is not a weakly prime, because it can be changed into another prime (13391857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6695933 + 6695934.

It is an arithmetic number, because the mean of its divisors is an integer number (6695934).

Almost surely, 2^13391867 is an apocalyptic number.

13391867 is a deficient number, since it is larger than the sum of its proper divisors (1).

13391867 is an equidigital number, since it uses as much as digits as its factorization.

13391867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 13391867 is about 3659.4899917885. The cubic root of 13391867 is about 237.4727104379.

The spelling of 13391867 in words is "thirteen million, three hundred ninety-one thousand, eight hundred sixty-seven".