13926979 has 6 divisors (see below), whose sum is σ = 15308300. Its totient is φ = 12660780.

The previous prime is 13926977. The next prime is 13927027. The reversal of 13926979 is 97962931.

It is not a de Polignac number, because 13926979 - 2¹ = 13926977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13926977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57429 + ... + 57670.

Almost surely, 2^13926979 is an apocalyptic number.

13926979 is a deficient number, since it is larger than the sum of its proper divisors (1381321).

13926979 is a wasteful number, since it uses less digits than its factorization.

13926979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115121 (or 115110 counting only the distinct ones).

The product of its digits is 183708, while the sum is 46.

The square root of 13926979 is about 3731.8867882078. The cubic root of 13926979 is about 240.5944695959.

The spelling of 13926979 in words is "thirteen million, nine hundred twenty-six thousand, nine hundred seventy-nine".