13479157 has 8 divisors (see below), whose sum is σ = 13687992. Its totient is φ = 13272000.

The previous prime is 13479143. The next prime is 13479163. The reversal of 13479157 is 75197431.

13479157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39601 + 13439556 = 199^2 + 3666^2 .

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 13479157 - 2²³ = 5090549 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 (13479107) 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, 31807 + ... + 32227.

It is an arithmetic number, because the mean of its divisors is an integer number (1710999).

Almost surely, 2^13479157 is an apocalyptic number.

It is an amenable number.

13479157 is a deficient number, since it is larger than the sum of its proper divisors (208835).

13479157 is a wasteful number, since it uses less digits than its factorization.

13479157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its digits is 26460, while the sum is 37.

The square root of 13479157 is about 3671.3971455020. The cubic root of 13479157 is about 237.9875531941.

The spelling of 13479157 in words is "thirteen million, four hundred seventy-nine thousand, one hundred fifty-seven".