13860879 has 8 divisors (see below), whose sum is σ = 18503472. Its totient is φ = 9229440.

The previous prime is 13860877. The next prime is 13860883. The reversal of 13860879 is 97806831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13860879 - 2¹ = 13860877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13860879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13860877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759 + ... + 5319.

It is an arithmetic number, because the mean of its divisors is an integer number (2312934).

Almost surely, 2^13860879 is an apocalyptic number.

13860879 is a deficient number, since it is larger than the sum of its proper divisors (4642593).

13860879 is a wasteful number, since it uses less digits than its factorization.

13860879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 13860879 is about 3723.0201449898. The cubic root of 13860879 is about 240.2132306357.

The spelling of 13860879 in words is "thirteen million, eight hundred sixty thousand, eight hundred seventy-nine".