13475520 has 84 divisors (see below), whose sum is σ = 46360080. Its totient is φ = 3592704.

The previous prime is 13475519. The next prime is 13475533. The reversal of 13475520 is 2557431.

It is a happy number.

13475520 is a `hidden beast` number, since 134 + 7 + 5 + 520 = 666.

13475520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541 + ... + 5219.

Almost surely, 2^13475520 is an apocalyptic number.

13475520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13475520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23180040).

13475520 is an abundant number, since it is smaller than the sum of its proper divisors (32884560).

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

13475520 is a wasteful number, since it uses less digits than its factorization.

13475520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702 (or 4689 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 13475520 is about 3670.9017965617. The cubic root of 13475520 is about 237.9661463512.

The spelling of 13475520 in words is "thirteen million, four hundred seventy-five thousand, five hundred twenty".