13563168 has 24 divisors (see below), whose sum is σ = 35603568. Its totient is φ = 4521024.

The previous prime is 13563149. The next prime is 13563191. The reversal of 13563168 is 86136531.

13563168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70546 + ... + 70737.

It is an arithmetic number, because the mean of its divisors is an integer number (1483482).

Almost surely, 2^13563168 is an apocalyptic number.

It is an amenable number.

13563168 is an abundant number, since it is smaller than the sum of its proper divisors (22040400).

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

13563168 is a wasteful number, since it uses less digits than its factorization.

13563168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141296 (or 141288 counting only the distinct ones).

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

The square root of 13563168 is about 3682.8206581369. The cubic root of 13563168 is about 238.4809613465.

Adding to 13563168 its reverse (86136531), we get a palindrome (99699699).

It can be divided in two parts, 13563 and 168, that added together give a palindrome (13731).

The spelling of 13563168 in words is "thirteen million, five hundred sixty-three thousand, one hundred sixty-eight".