13508572 has 48 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 5169600.

The previous prime is 13508533. The next prime is 13508597. The reversal of 13508572 is 27580531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18429 + ... + 19147.

It is an arithmetic number, because the mean of its divisors is an integer number (624960).

Almost surely, 2^13508572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13508572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14999040).

13508572 is an abundant number, since it is smaller than the sum of its proper divisors (16489508).

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

13508572 is a wasteful number, since it uses less digits than its factorization.

13508572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 13508572 is about 3675.4009305108. The cubic root of 13508572 is about 238.1605441760.

The spelling of 13508572 in words is "thirteen million, five hundred eight thousand, five hundred seventy-two".