11657225 has 12 divisors (see below), whose sum is σ = 14522880. Its totient is φ = 9282000.

The previous prime is 11657201. The next prime is 11657227. The reversal of 11657225 is 52275611.

It is not a de Polignac number, because 11657225 - 2²⁰ = 10608649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11657227) 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, 5000 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (1210240).

Almost surely, 2^11657225 is an apocalyptic number.

It is an amenable number.

11657225 is a deficient number, since it is larger than the sum of its proper divisors (2865655).

11657225 is a wasteful number, since it uses less digits than its factorization.

11657225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200 (or 2195 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 11657225 is about 3414.2678570962. The cubic root of 11657225 is about 226.7418711912.

The spelling of 11657225 in words is "eleven million, six hundred fifty-seven thousand, two hundred twenty-five".