13289860 has 48 divisors (see below), whose sum is σ = 29465856. Its totient is φ = 5025152.

The previous prime is 13289839. The next prime is 13289923. The reversal of 13289860 is 6898231.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76734 + ... + 76906.

It is an arithmetic number, because the mean of its divisors is an integer number (613872).

Almost surely, 2^13289860 is an apocalyptic number.

13289860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13289860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14732928).

13289860 is an abundant number, since it is smaller than the sum of its proper divisors (16175996).

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

13289860 is a wasteful number, since it uses less digits than its factorization.

13289860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 13289860 is about 3645.5260251437. The cubic root of 13289860 is about 236.8682230154.

The spelling of 13289860 in words is "thirteen million, two hundred eighty-nine thousand, eight hundred sixty".