13928015 has 8 divisors (see below), whose sum is σ = 17696880. Its totient is φ = 10486912.

The previous prime is 13928003. The next prime is 13928059. The reversal of 13928015 is 51082931.

13928015 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 a cyclic number.

It is not a de Polignac number, because 13928015 - 2¹⁸ = 13665871 is a prime.

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, 81845 + ... + 82014.

It is an arithmetic number, because the mean of its divisors is an integer number (2212110).

Almost surely, 2^13928015 is an apocalyptic number.

13928015 is a deficient number, since it is larger than the sum of its proper divisors (3768865).

13928015 is a wasteful number, since it uses less digits than its factorization.

13928015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163881.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 13928015 is about 3732.0255894085. The cubic root of 13928015 is about 240.6004352278.

The spelling of 13928015 in words is "thirteen million, nine hundred twenty-eight thousand, fifteen".