13867879 has 2 divisors, whose sum is σ = 13867880. Its totient is φ = 13867878.

The previous prime is 13867871. The next prime is 13867901. The reversal of 13867879 is 97876831.

13867879 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 13867879 - 2³ = 13867871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13867871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6933939 + 6933940.

It is an arithmetic number, because the mean of its divisors is an integer number (6933940).

Almost surely, 2^13867879 is an apocalyptic number.

13867879 is a deficient number, since it is larger than the sum of its proper divisors (1).

13867879 is an equidigital number, since it uses as much as digits as its factorization.

13867879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 13867879 is about 3723.9601233096. The cubic root of 13867879 is about 240.2536612037.

The spelling of 13867879 in words is "thirteen million, eight hundred sixty-seven thousand, eight hundred seventy-nine".