13895920 has 20 divisors (see below), whose sum is σ = 32308200. Its totient is φ = 5558336.

The previous prime is 13895909. The next prime is 13895927. The reversal of 13895920 is 2959831.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 13895920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13895927) 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, 86770 + ... + 86929.

It is an arithmetic number, because the mean of its divisors is an integer number (1615410).

Almost surely, 2^13895920 is an apocalyptic number.

13895920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13895920 is an abundant number, since it is smaller than the sum of its proper divisors (18412280).

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

13895920 is a wasteful number, since it uses less digits than its factorization.

13895920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173712 (or 173706 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 13895920 is about 3727.7231656871. The cubic root of 13895920 is about 240.4154840096.

The spelling of 13895920 in words is "thirteen million, eight hundred ninety-five thousand, nine hundred twenty".