13928886 has 24 divisors (see below), whose sum is σ = 30306744. Its totient is φ = 4623360.

The previous prime is 13928867. The next prime is 13928891. The reversal of 13928886 is 68882931.

13928886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3121 + ... + 6131.

It is an arithmetic number, because the mean of its divisors is an integer number (1262781).

Almost surely, 2^13928886 is an apocalyptic number.

13928886 is an abundant number, since it is smaller than the sum of its proper divisors (16377858).

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

13928886 is a wasteful number, since it uses less digits than its factorization.

13928886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276 (or 3273 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 13928886 is about 3732.1422802460. The cubic root of 13928886 is about 240.6054505060.

The spelling of 13928886 in words is "thirteen million, nine hundred twenty-eight thousand, eight hundred eighty-six".