13189308 has 48 divisors (see below), whose sum is σ = 33833856. Its totient is φ = 3965760.

The previous prime is 13189283. The next prime is 13189321. The reversal of 13189308 is 80398131.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 21210 + ... + 21822.

It is an arithmetic number, because the mean of its divisors is an integer number (704872).

Almost surely, 2^13189308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13189308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16916928).

13189308 is an abundant number, since it is smaller than the sum of its proper divisors (20644548).

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

13189308 is a wasteful number, since it uses less digits than its factorization.

13189308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 13189308 is about 3631.7086887580. The cubic root of 13189308 is about 236.2693229065.

The spelling of 13189308 in words is "thirteen million, one hundred eighty-nine thousand, three hundred eight".