13925879 has 16 divisors (see below), whose sum is σ = 16692480. Its totient is φ = 11468160.

The previous prime is 13925837. The next prime is 13925893. The reversal of 13925879 is 97852931.

It is not a de Polignac number, because 13925879 - 2⁸ = 13925623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13925819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3359 + ... + 6255.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^13925879 is an apocalyptic number.

13925879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13925879 is a deficient number, since it is larger than the sum of its proper divisors (2766601).

13925879 is a wasteful number, since it uses less digits than its factorization.

13925879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950.

The product of its digits is 136080, while the sum is 44.

The square root of 13925879 is about 3731.7394067646. The cubic root of 13925879 is about 240.5881351069.

The spelling of 13925879 in words is "thirteen million, nine hundred twenty-five thousand, eight hundred seventy-nine".