13338736 has 20 divisors (see below), whose sum is σ = 26019664. Its totient is φ = 6624000.

The previous prime is 13338733. The next prime is 13338737. The reversal of 13338736 is 63783331.

13338736 = 219² + 220² + ... + 369².

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13338733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345 + ... + 5176.

Almost surely, 2^13338736 is an apocalyptic number.

13338736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13338736 is a deficient number, since it is larger than the sum of its proper divisors (12680928).

13338736 is a wasteful number, since it uses less digits than its factorization.

13338736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680 (or 5674 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

The square root of 13338736 is about 3652.2234323765. The cubic root of 13338736 is about 237.1582438226.

The spelling of 13338736 in words is "thirteen million, three hundred thirty-eight thousand, seven hundred thirty-six".