13157485 has 16 divisors (see below), whose sum is σ = 17782272. Its totient is φ = 9259200.

The previous prime is 13157483. The next prime is 13157489. The reversal of 13157485 is 58475131.

It is a happy number.

It is not a de Polignac number, because 13157485 - 2¹ = 13157483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13157485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13157483) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2154 + ... + 5563.

It is an arithmetic number, because the mean of its divisors is an integer number (1111392).

Almost surely, 2^13157485 is an apocalyptic number.

It is an amenable number.

13157485 is a deficient number, since it is larger than the sum of its proper divisors (4624787).

13157485 is a wasteful number, since it uses less digits than its factorization.

13157485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7764.

The product of its digits is 16800, while the sum is 34.

The square root of 13157485 is about 3627.3247717843. The cubic root of 13157485 is about 236.0791473019.

The spelling of 13157485 in words is "thirteen million, one hundred fifty-seven thousand, four hundred eighty-five".