13289660 has 24 divisors (see below), whose sum is σ = 28664160. Its totient is φ = 5171904.

The previous prime is 13289641. The next prime is 13289663. The reversal of 13289660 is 6698231.

13289660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13289660.

It is a congruent number.

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, 8240 + ... + 9719.

It is an arithmetic number, because the mean of its divisors is an integer number (1194340).

Almost surely, 2^13289660 is an apocalyptic number.

13289660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13289660 is an abundant number, since it is smaller than the sum of its proper divisors (15374500).

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

13289660 is a wasteful number, since it uses less digits than its factorization.

13289660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18005 (or 18003 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 13289660 is about 3645.4985941569. The cubic root of 13289660 is about 236.8670347941.

The spelling of 13289660 in words is "thirteen million, two hundred eighty-nine thousand, six hundred sixty".