13879907 has 2 divisors, whose sum is σ = 13879908. Its totient is φ = 13879906.

The previous prime is 13879891. The next prime is 13879967. The reversal of 13879907 is 70997831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13879907 - 2⁴ = 13879891 is a prime.

It is not a weakly prime, because it can be changed into another prime (13879967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6939953 + 6939954.

It is an arithmetic number, because the mean of its divisors is an integer number (6939954).

Almost surely, 2^13879907 is an apocalyptic number.

13879907 is a deficient number, since it is larger than the sum of its proper divisors (1).

13879907 is an equidigital number, since it uses as much as digits as its factorization.

13879907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 13879907 is about 3725.5747207646. The cubic root of 13879907 is about 240.3231007091.

The spelling of 13879907 in words is "thirteen million, eight hundred seventy-nine thousand, nine hundred seven".