13613136 has 20 divisors (see below), whose sum is σ = 35167392. Its totient is φ = 4537696.

The previous prime is 13613099. The next prime is 13613137. The reversal of 13613136 is 63131631.

13613136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13613137) 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, 141756 + ... + 141851.

Almost surely, 2^13613136 is an apocalyptic number.

13613136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13613136 is an abundant number, since it is smaller than the sum of its proper divisors (21554256).

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

13613136 is a wasteful number, since it uses less digits than its factorization.

13613136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283618 (or 283612 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

The square root of 13613136 is about 3689.5983521245. The cubic root of 13613136 is about 238.7734646126.

Adding to 13613136 its reverse (63131631), we get a palindrome (76744767).

The spelling of 13613136 in words is "thirteen million, six hundred thirteen thousand, one hundred thirty-six".