13928086 has 8 divisors (see below), whose sum is σ = 20944440. Its totient is φ = 6946608.

The previous prime is 13928077. The next prime is 13928111. The reversal of 13928086 is 68082931.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7696 + ... + 9331.

It is an arithmetic number, because the mean of its divisors is an integer number (2618055).

Almost surely, 2^13928086 is an apocalyptic number.

13928086 is a deficient number, since it is larger than the sum of its proper divisors (7016354).

13928086 is a wasteful number, since it uses less digits than its factorization.

13928086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17438.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 13928086 is about 3732.0351016570. The cubic root of 13928086 is about 240.6008440585.

The spelling of 13928086 in words is "thirteen million, nine hundred twenty-eight thousand, eighty-six".