13308368 has 20 divisors (see below), whose sum is σ = 25842468. Its totient is φ = 6639360.

The previous prime is 13308343. The next prime is 13308377. The reversal of 13308368 is 86380331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6190144 + 7118224 = 2488^2 + 2668^2 .

It is a super-2 number, since 2×13308368² = 354225317646848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11630 + ... + 12722.

Almost surely, 2^13308368 is an apocalyptic number.

It is an amenable number.

13308368 is a deficient number, since it is larger than the sum of its proper divisors (12534100).

13308368 is a wasteful number, since it uses less digits than its factorization.

13308368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 13308368 is about 3648.0635959369. The cubic root of 13308368 is about 236.9781294541.

Adding to 13308368 its reverse (86380331), we get a palindrome (99688699).

The spelling of 13308368 in words is "thirteen million, three hundred eight thousand, three hundred sixty-eight".