13731159 has 8 divisors (see below), whose sum is σ = 19716592. Its totient is φ = 8449920.

The previous prime is 13731143. The next prime is 13731163. The reversal of 13731159 is 95113731.

It is a happy number.

13731159 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 not a de Polignac number, because 13731159 - 2⁴ = 13731143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13731119) 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, 176002 + ... + 176079.

It is an arithmetic number, because the mean of its divisors is an integer number (2464574).

Almost surely, 2^13731159 is an apocalyptic number.

13731159 is a deficient number, since it is larger than the sum of its proper divisors (5985433).

13731159 is a wasteful number, since it uses less digits than its factorization.

13731159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352097.

The product of its digits is 2835, while the sum is 30.

The square root of 13731159 is about 3705.5578527396. The cubic root of 13731159 is about 239.4615184213.

The spelling of 13731159 in words is "thirteen million, seven hundred thirty-one thousand, one hundred fifty-nine".