13157492 has 12 divisors (see below), whose sum is σ = 23303616. Its totient is φ = 6499320.

The previous prime is 13157489. The next prime is 13157497. The reversal of 13157492 is 29475131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13157497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19484 + ... + 20147.

It is an arithmetic number, because the mean of its divisors is an integer number (1941968).

Almost surely, 2^13157492 is an apocalyptic number.

It is an amenable number.

13157492 is a deficient number, since it is larger than the sum of its proper divisors (10146124).

13157492 is a wasteful number, since it uses less digits than its factorization.

13157492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39718 (or 39716 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 13157492 is about 3627.3257366826. The cubic root of 13157492 is about 236.0791891679.

The spelling of 13157492 in words is "thirteen million, one hundred fifty-seven thousand, four hundred ninety-two".