13153668 has 36 divisors (see below), whose sum is σ = 33739440. Its totient is φ = 3985520.

The previous prime is 13153663. The next prime is 13153669. The reversal of 13153668 is 86635131.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (13153663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3078 + ... + 5981.

Almost surely, 2^13153668 is an apocalyptic number.

It is an amenable number.

13153668 is an abundant number, since it is smaller than the sum of its proper divisors (20585772).

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

13153668 is a wasteful number, since it uses less digits than its factorization.

13153668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9088 (or 9075 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 13153668 is about 3626.7985882869. The cubic root of 13153668 is about 236.0563161591.

Adding to 13153668 its reverse (86635131), we get a palindrome (99788799).

The spelling of 13153668 in words is "thirteen million, one hundred fifty-three thousand, six hundred sixty-eight".