13873572 has 48 divisors (see below), whose sum is σ = 37867200. Its totient is φ = 4380480.

The previous prime is 13873543. The next prime is 13873583. The reversal of 13873572 is 27537831.

13873572 is a `hidden beast` number, since 1 + 3 + 87 + 3 + 572 = 666.

13873572 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329 + ... + 5432.

It is an arithmetic number, because the mean of its divisors is an integer number (788900).

Almost surely, 2^13873572 is an apocalyptic number.

13873572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13873572 is an abundant number, since it is smaller than the sum of its proper divisors (23993628).

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

13873572 is a wasteful number, since it uses less digits than its factorization.

13873572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6793 (or 6785 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 13873572 is about 3724.7244193363. The cubic root of 13873572 is about 240.2865327762.

The spelling of 13873572 in words is "thirteen million, eight hundred seventy-three thousand, five hundred seventy-two".