13525272 has 32 divisors (see below), whose sum is σ = 37570800. Its totient is φ = 4508352.

The previous prime is 13525271. The next prime is 13525273. The reversal of 13525272 is 27252531.

13525272 is a `hidden beast` number, since 135 + 2 + 527 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (13525271) and next prime (13525273).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (13525271) 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, 31093 + ... + 31524.

Almost surely, 2^13525272 is an apocalyptic number.

13525272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13525272 is an abundant number, since it is smaller than the sum of its proper divisors (24045528).

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

13525272 is a wasteful number, since it uses less digits than its factorization.

13525272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62632 (or 62622 counting only the distinct ones).

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

The square root of 13525272 is about 3677.6720897872. The cubic root of 13525272 is about 238.2586459156.

The spelling of 13525272 in words is "thirteen million, five hundred twenty-five thousand, two hundred seventy-two".