13879505 has 8 divisors (see below), whose sum is σ = 16811712. Its totient is φ = 10999408.

The previous prime is 13879501. The next prime is 13879507. The reversal of 13879505 is 50597831.

13879505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13879505 - 2² = 13879501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13879501) 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, 12437 + ... + 13506.

It is an arithmetic number, because the mean of its divisors is an integer number (2101464).

Almost surely, 2^13879505 is an apocalyptic number.

It is an amenable number.

13879505 is a deficient number, since it is larger than the sum of its proper divisors (2932207).

13879505 is a wasteful number, since it uses less digits than its factorization.

13879505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26055.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 13879505 is about 3725.5207689664. The cubic root of 13879505 is about 240.3207805491.

The spelling of 13879505 in words is "thirteen million, eight hundred seventy-nine thousand, five hundred five".