13879207 has 2 divisors, whose sum is σ = 13879208. Its totient is φ = 13879206.

The previous prime is 13879193. The next prime is 13879213. The reversal of 13879207 is 70297831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13879207 - 2¹⁹ = 13354919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13879247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6939603 + 6939604.

It is an arithmetic number, because the mean of its divisors is an integer number (6939604).

Almost surely, 2^13879207 is an apocalyptic number.

13879207 is a deficient number, since it is larger than the sum of its proper divisors (1).

13879207 is an equidigital number, since it uses as much as digits as its factorization.

13879207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 13879207 is about 3725.4807743431. The cubic root of 13879207 is about 240.3190606005.

The spelling of 13879207 in words is "thirteen million, eight hundred seventy-nine thousand, two hundred seven".