13981874 has 8 divisors (see below), whose sum is σ = 20988720. Its totient is φ = 6985636.

The previous prime is 13981843. The next prime is 13981883. The reversal of 13981874 is 47818931.

13981874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3497 + ... + 6339.

It is an arithmetic number, because the mean of its divisors is an integer number (2623590).

Almost surely, 2^13981874 is an apocalyptic number.

13981874 is a deficient number, since it is larger than the sum of its proper divisors (7006846).

13981874 is a wasteful number, since it uses less digits than its factorization.

13981874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304.

The product of its digits is 48384, while the sum is 41.

The square root of 13981874 is about 3739.2344136200. The cubic root of 13981874 is about 240.9101666414.

The spelling of 13981874 in words is "thirteen million, nine hundred eighty-one thousand, eight hundred seventy-four".