13520952 has 32 divisors (see below), whose sum is σ = 37558800. Its totient is φ = 4506912.

The previous prime is 13520921. The next prime is 13520953. The reversal of 13520952 is 25902531.

It is a super-2 number, since 2×13520952² = 365632285972608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31083 + ... + 31514.

Almost surely, 2^13520952 is an apocalyptic number.

13520952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13520952 is an abundant number, since it is smaller than the sum of its proper divisors (24037848).

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

13520952 is a wasteful number, since it uses less digits than its factorization.

13520952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62612 (or 62602 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 13520952 is about 3677.0847148250. The cubic root of 13520952 is about 238.2332764454.

The spelling of 13520952 in words is "thirteen million, five hundred twenty thousand, nine hundred fifty-two".