13563164 has 24 divisors (see below), whose sum is σ = 24623088. Its totient is φ = 6531840.

The previous prime is 13563149. The next prime is 13563191. The reversal of 13563164 is 46136531.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 16319 + ... + 17129.

It is an arithmetic number, because the mean of its divisors is an integer number (1025962).

Almost surely, 2^13563164 is an apocalyptic number.

It is an amenable number.

13563164 is a deficient number, since it is larger than the sum of its proper divisors (11059924).

13563164 is a wasteful number, since it uses less digits than its factorization.

13563164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965 (or 963 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 13563164 is about 3682.8201150749. The cubic root of 13563164 is about 238.4809379025.

Adding to 13563164 its reverse (46136531), we get a palindrome (59699695).

The spelling of 13563164 in words is "thirteen million, five hundred sixty-three thousand, one hundred sixty-four".