13881926 has 16 divisors (see below), whose sum is σ = 21821184. Its totient is φ = 6610824.

The previous prime is 13881871. The next prime is 13881943. The reversal of 13881926 is 62918831.

13881926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13881926.

It is a congruent 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, 13631 + ... + 14613.

It is an arithmetic number, because the mean of its divisors is an integer number (1363824).

Almost surely, 2^13881926 is an apocalyptic number.

13881926 is a deficient number, since it is larger than the sum of its proper divisors (7939258).

13881926 is a wasteful number, since it uses less digits than its factorization.

13881926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315.

The product of its digits is 20736, while the sum is 38.

The square root of 13881926 is about 3725.8456758164. The cubic root of 13881926 is about 240.3347527761.

The spelling of 13881926 in words is "thirteen million, eight hundred eighty-one thousand, nine hundred twenty-six".