13609164 has 24 divisors (see below), whose sum is σ = 31949568. Its totient is φ = 4508560.

The previous prime is 13609159. The next prime is 13609237. The reversal of 13609164 is 46190631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392 + ... + 5399.

It is an arithmetic number, because the mean of its divisors is an integer number (1331232).

Almost surely, 2^13609164 is an apocalyptic number.

It is an amenable number.

13609164 is an abundant number, since it is smaller than the sum of its proper divisors (18340404).

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

13609164 is a wasteful number, since it uses less digits than its factorization.

13609164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965 (or 6963 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13609164 is about 3689.0600428836. The cubic root of 13609164 is about 238.7502394852.

Adding to 13609164 its reverse (46190631), we get a palindrome (59799795).

The spelling of 13609164 in words is "thirteen million, six hundred nine thousand, one hundred sixty-four".