13368920 has 32 divisors (see below), whose sum is σ = 30211920. Its totient is φ = 5324160.

The previous prime is 13368907. The next prime is 13368923. The reversal of 13368920 is 2986331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13368923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10730 + ... + 11910.

Almost surely, 2^13368920 is an apocalyptic number.

13368920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13368920 is an abundant number, since it is smaller than the sum of its proper divisors (16843000).

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

13368920 is a wasteful number, since it uses less digits than its factorization.

13368920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13368920 is about 3656.3533746070. The cubic root of 13368920 is about 237.3369961841.

The spelling of 13368920 in words is "thirteen million, three hundred sixty-eight thousand, nine hundred twenty".