13928159 has 8 divisors (see below), whose sum is σ = 16755840. Its totient is φ = 11309976.

The previous prime is 13928143. The next prime is 13928177. The reversal of 13928159 is 95182931.

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 13928159 - 2⁴ = 13928143 is a prime.

It is a super-2 number, since 2×13928159² = 387987226258562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13928059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52229 + ... + 52494.

It is an arithmetic number, because the mean of its divisors is an integer number (2094480).

Almost surely, 2^13928159 is an apocalyptic number.

13928159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13928159 is a deficient number, since it is larger than the sum of its proper divisors (2827681).

13928159 is a wasteful number, since it uses less digits than its factorization.

13928159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104749.

The product of its digits is 19440, while the sum is 38.

The square root of 13928159 is about 3732.0448818309. The cubic root of 13928159 is about 240.6012644041.

The spelling of 13928159 in words is "thirteen million, nine hundred twenty-eight thousand, one hundred fifty-nine".