13289668 has 24 divisors (see below), whose sum is σ = 26659584. Its totient is φ = 5678400.

The previous prime is 13289663. The next prime is 13289671. The reversal of 13289668 is 86698231.

It is not an unprimeable number, because it can be changed into a prime (13289663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14133 + ... + 15043.

It is an arithmetic number, because the mean of its divisors is an integer number (1110816).

Almost surely, 2^13289668 is an apocalyptic number.

It is an amenable number.

13289668 is an abundant number, since it is smaller than the sum of its proper divisors (13369916).

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

13289668 is a wasteful number, since it uses less digits than its factorization.

13289668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1441 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 13289668 is about 3645.4996914003. The cubic root of 13289668 is about 236.8670823232.

The spelling of 13289668 in words is "thirteen million, two hundred eighty-nine thousand, six hundred sixty-eight".