13308328 has 32 divisors (see below), whose sum is σ = 27862560. Its totient is φ = 5906880.

The previous prime is 13308319. The next prime is 13308343. The reversal of 13308328 is 82380331.

It is a super-2 number, since 2×13308328² = 354223188311168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13308296 and 13308305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2026 + ... + 5542.

It is an arithmetic number, because the mean of its divisors is an integer number (870705).

Almost surely, 2^13308328 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 13308328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13931280).

13308328 is an abundant number, since it is smaller than the sum of its proper divisors (14554232).

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

13308328 is a wasteful number, since it uses less digits than its factorization.

13308328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577 (or 3573 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13308328 is about 3648.0581135722. The cubic root of 13308328 is about 236.9778920312.

Adding to 13308328 its reverse (82380331), we get a palindrome (95688659).

The spelling of 13308328 in words is "thirteen million, three hundred eight thousand, three hundred twenty-eight".