13913858 has 16 divisors (see below), whose sum is σ = 24086400. Its totient is φ = 5904576.

The previous prime is 13913839. The next prime is 13913869. The reversal of 13913858 is 85831931.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3383 + ... + 6266.

It is an arithmetic number, because the mean of its divisors is an integer number (1505400).

Almost surely, 2^13913858 is an apocalyptic number.

13913858 is a deficient number, since it is larger than the sum of its proper divisors (10172542).

13913858 is a wasteful number, since it uses less digits than its factorization.

13913858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9761.

The product of its digits is 25920, while the sum is 38.

The square root of 13913858 is about 3730.1284160200. The cubic root of 13913858 is about 240.5188889085.

The spelling of 13913858 in words is "thirteen million, nine hundred thirteen thousand, eight hundred fifty-eight".