13811874 has 16 divisors (see below), whose sum is σ = 27824160. Its totient is φ = 4570560.

The previous prime is 13811857. The next prime is 13811893. The reversal of 13811874 is 47811831.

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, 7447 + ... + 9114.

It is an arithmetic number, because the mean of its divisors is an integer number (1739010).

Almost surely, 2^13811874 is an apocalyptic number.

13811874 is an abundant number, since it is smaller than the sum of its proper divisors (14012286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13811874 is a wasteful number, since it uses less digits than its factorization.

13811874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16705.

The product of its digits is 5376, while the sum is 33.

The square root of 13811874 is about 3716.4329672416. The cubic root of 13811874 is about 239.9298058608.

The spelling of 13811874 in words is "thirteen million, eight hundred eleven thousand, eight hundred seventy-four".