13979927 has 8 divisors (see below), whose sum is σ = 15172080. Its totient is φ = 12804480.

The previous prime is 13979923. The next prime is 13979941. The reversal of 13979927 is 72997931.

13979927 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 not a de Polignac number, because 13979927 - 2² = 13979923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13979921) 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, 2402 + ... + 5807.

It is an arithmetic number, because the mean of its divisors is an integer number (1896510).

Almost surely, 2^13979927 is an apocalyptic number.

13979927 is a deficient number, since it is larger than the sum of its proper divisors (1192153).

13979927 is a wasteful number, since it uses less digits than its factorization.

13979927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8353.

The product of its digits is 214326, while the sum is 47.

The square root of 13979927 is about 3738.9740571446. The cubic root of 13979927 is about 240.8989837373.

The spelling of 13979927 in words is "thirteen million, nine hundred seventy-nine thousand, nine hundred twenty-seven".