11800225 has 12 divisors (see below), whose sum is σ = 15028924. Its totient is φ = 9184320.

The previous prime is 11800211. The next prime is 11800237. The reversal of 11800225 is 52200811.

It can be written as a sum of positive squares in 6 ways, for example, as 185761 + 11614464 = 431^2 + 3408^2 .

It is not a de Polignac number, because 11800225 - 2¹¹ = 11798177 is a prime.

It is a Duffinian number.

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, 5454 + ... + 7303.

Almost surely, 2^11800225 is an apocalyptic number.

It is an amenable number.

11800225 is a deficient number, since it is larger than the sum of its proper divisors (3228699).

11800225 is a wasteful number, since it uses less digits than its factorization.

11800225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804 (or 12799 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 11800225 is about 3435.1455573236. The cubic root of 11800225 is about 227.6652585028.

The spelling of 11800225 in words is "eleven million, eight hundred thousand, two hundred twenty-five".