13157036 has 6 divisors (see below), whose sum is σ = 23024820. Its totient is φ = 6578516.

The previous prime is 13157033. The next prime is 13157087. The reversal of 13157036 is 63075131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13156996 and 13157014.

It is not an unprimeable number, because it can be changed into a prime (13157033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1644626 + ... + 1644633.

It is an arithmetic number, because the mean of its divisors is an integer number (3837470).

Almost surely, 2^13157036 is an apocalyptic number.

It is an amenable number.

13157036 is a deficient number, since it is larger than the sum of its proper divisors (9867784).

13157036 is a wasteful number, since it uses less digits than its factorization.

13157036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289263 (or 3289261 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13157036 is about 3627.2628799137. The cubic root of 13157036 is about 236.0764618661.

The spelling of 13157036 in words is "thirteen million, one hundred fifty-seven thousand, thirty-six".