13924279 has 2 divisors, whose sum is σ = 13924280. Its totient is φ = 13924278.

The previous prime is 13924271. The next prime is 13924289. The reversal of 13924279 is 97242931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13924279 - 2³ = 13924271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13924271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6962139 + 6962140.

It is an arithmetic number, because the mean of its divisors is an integer number (6962140).

Almost surely, 2^13924279 is an apocalyptic number.

13924279 is a deficient number, since it is larger than the sum of its proper divisors (1).

13924279 is an equidigital number, since it uses as much as digits as its factorization.

13924279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 13924279 is about 3731.5250233651. The cubic root of 13924279 is about 240.5789207093.

It can be divided in two parts, 1392 and 4279, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 13924279 in words is "thirteen million, nine hundred twenty-four thousand, two hundred seventy-nine".