13513528 has 16 divisors (see below), whose sum is σ = 28957680. Its totient is φ = 5791488.

The previous prime is 13513517. The next prime is 13513531. The reversal of 13513528 is 82531531.

13513528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13513528³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 13513496 and 13513505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120601 + ... + 120712.

It is an arithmetic number, because the mean of its divisors is an integer number (1809855).

Almost surely, 2^13513528 is an apocalyptic number.

It is an amenable number.

13513528 is an abundant number, since it is smaller than the sum of its proper divisors (15444152).

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

13513528 is a wasteful number, since it uses less digits than its factorization.

13513528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241326 (or 241322 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 13513528 is about 3676.0750808437. The cubic root of 13513528 is about 238.1896659154.

It can be divided in two parts, 13513 and 528, that added together give a palindrome (14041).

The spelling of 13513528 in words is "thirteen million, five hundred thirteen thousand, five hundred twenty-eight".