13542520 has 16 divisors (see below), whose sum is σ = 30470760. Its totient is φ = 5416992.

The previous prime is 13542491. The next prime is 13542521. The reversal of 13542520 is 2524531.

13542520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13542491 and 13542500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13542521) 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, 169242 + ... + 169321.

Almost surely, 2^13542520 is an apocalyptic number.

13542520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13542520 is an abundant number, since it is smaller than the sum of its proper divisors (16928240).

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

13542520 is a wasteful number, since it uses less digits than its factorization.

13542520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338574 (or 338570 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 13542520 is about 3680.0163043117. The cubic root of 13542520 is about 238.3598820682.

The spelling of 13542520 in words is "thirteen million, five hundred forty-two thousand, five hundred twenty".