11687225 has 12 divisors (see below), whose sum is σ = 15810000. Its totient is φ = 8499600.

The previous prime is 11687191. The next prime is 11687231. The reversal of 11687225 is 52278611.

11687225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11687225 - 2¹⁰ = 11686201 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11687191 and 11687200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20975 + ... + 21524.

It is an arithmetic number, because the mean of its divisors is an integer number (1317500).

Almost surely, 2^11687225 is an apocalyptic number.

It is an amenable number.

11687225 is a deficient number, since it is larger than the sum of its proper divisors (4122775).

11687225 is a wasteful number, since it uses less digits than its factorization.

11687225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42520 (or 42515 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 11687225 is about 3418.6583625744. The cubic root of 11687225 is about 226.9362121611.

The spelling of 11687225 in words is "eleven million, six hundred eighty-seven thousand, two hundred twenty-five".