13836920 has 16 divisors (see below), whose sum is σ = 31133160. Its totient is φ = 5534752.

The previous prime is 13836913. The next prime is 13836923. The reversal of 13836920 is 2963831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13836923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172922 + ... + 173001.

Almost surely, 2^13836920 is an apocalyptic number.

13836920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13836920 is an abundant number, since it is smaller than the sum of its proper divisors (17296240).

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

13836920 is a wasteful number, since it uses less digits than its factorization.

13836920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345934 (or 345930 counting only the distinct ones).

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

The square root of 13836920 is about 3719.8010699498. The cubic root of 13836920 is about 240.0747452376.

The spelling of 13836920 in words is "thirteen million, eight hundred thirty-six thousand, nine hundred twenty".