13552520 has 32 divisors (see below), whose sum is σ = 31821120. Its totient is φ = 5184960.

The previous prime is 13552507. The next prime is 13552531. The reversal of 13552520 is 2525531.

13552520 is digitally balanced in base 2, because in such base 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 (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6446 + ... + 8285.

It is an arithmetic number, because the mean of its divisors is an integer number (994410).

Almost surely, 2^13552520 is an apocalyptic number.

13552520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13552520 is an abundant number, since it is smaller than the sum of its proper divisors (18268600).

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

13552520 is a wasteful number, since it uses less digits than its factorization.

13552520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14765 (or 14761 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 13552520 is about 3681.3747432175. The cubic root of 13552520 is about 238.4185371379.

The spelling of 13552520 in words is "thirteen million, five hundred fifty-two thousand, five hundred twenty".