13113156 has 24 divisors (see below), whose sum is σ = 34968640. Its totient is φ = 3746592.

The previous prime is 13113143. The next prime is 13113161. The reversal of 13113156 is 65131131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77971 + ... + 78138.

Almost surely, 2^13113156 is an apocalyptic number.

It is an amenable number.

13113156 is an abundant number, since it is smaller than the sum of its proper divisors (21855484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13113156 is a wasteful number, since it uses less digits than its factorization.

13113156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156123 (or 156121 counting only the distinct ones).

The product of its digits is 270, while the sum is 21.

The square root of 13113156 is about 3621.2091903120. The cubic root of 13113156 is about 235.8137235447.

Adding to 13113156 its reverse (65131131), we get a palindrome (78244287).

The spelling of 13113156 in words is "thirteen million, one hundred thirteen thousand, one hundred fifty-six".