13928018 has 16 divisors (see below), whose sum is σ = 23478336. Its totient is φ = 6148560.

The previous prime is 13928003. The next prime is 13928059. The reversal of 13928018 is 81082931.

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, 11048 + ... + 12243.

It is an arithmetic number, because the mean of its divisors is an integer number (1467396).

Almost surely, 2^13928018 is an apocalyptic number.

13928018 is a deficient number, since it is larger than the sum of its proper divisors (9550318).

13928018 is a wasteful number, since it uses less digits than its factorization.

13928018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23329.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 13928018 is about 3732.0259913350. The cubic root of 13928018 is about 240.6004525023.

The spelling of 13928018 in words is "thirteen million, nine hundred twenty-eight thousand, eighteen".