13527725 has 12 divisors (see below), whose sum is σ = 16820724. Its totient is φ = 10792320.

The previous prime is 13527721. The next prime is 13527737. The reversal of 13527725 is 52772531.

It can be written as a sum of positive squares in 6 ways, for example, as 896809 + 12630916 = 947^2 + 3554^2 .

It is not a de Polignac number, because 13527725 - 2² = 13527721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13527691 and 13527700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13527721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14987 + ... + 15863.

It is an arithmetic number, because the mean of its divisors is an integer number (1401727).

Almost surely, 2^13527725 is an apocalyptic number.

It is an amenable number.

13527725 is a deficient number, since it is larger than the sum of its proper divisors (3292999).

13527725 is an equidigital number, since it uses as much as digits as its factorization.

13527725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 1499 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 13527725 is about 3678.0055736771. The cubic root of 13527725 is about 238.2730489070.

The spelling of 13527725 in words is "thirteen million, five hundred twenty-seven thousand, seven hundred twenty-five".