13572120 has 64 divisors (see below), whose sum is σ = 43117920. Its totient is φ = 3405824.

The previous prime is 13572101. The next prime is 13572127. The reversal of 13572120 is 2127531.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13572127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287 + ... + 5366.

Almost surely, 2^13572120 is an apocalyptic number.

13572120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13572120 is an abundant number, since it is smaller than the sum of its proper divisors (29545800).

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

13572120 is a wasteful number, since it uses less digits than its factorization.

13572120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684 (or 6680 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 13572120 is about 3684.0358304446. The cubic root of 13572120 is about 238.5334174307.

Adding to 13572120 its reverse (2127531), we get a palindrome (15699651).

The spelling of 13572120 in words is "thirteen million, five hundred seventy-two thousand, one hundred twenty".