11687525 has 12 divisors (see below), whose sum is σ = 14628900. Its totient is φ = 9262080.

The previous prime is 11687521. The next prime is 11687563. The reversal of 11687525 is 52578611.

11687525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 605284 + 11082241 = 778^2 + 3329^2 .

It is not a de Polignac number, because 11687525 - 2² = 11687521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11687521) 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, 581 + ... + 4869.

It is an arithmetic number, because the mean of its divisors is an integer number (1219075).

Almost surely, 2^11687525 is an apocalyptic number.

It is an amenable number.

11687525 is a deficient number, since it is larger than the sum of its proper divisors (2941375).

11687525 is a wasteful number, since it uses less digits than its factorization.

11687525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408 (or 4403 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 11687525 is about 3418.7022391545. The cubic root of 11687525 is about 226.9381538904.

The spelling of 11687525 in words is "eleven million, six hundred eighty-seven thousand, five hundred twenty-five".