11665233 has 6 divisors (see below), whose sum is σ = 16849794. Its totient is φ = 7776816.

The previous prime is 11665231. The next prime is 11665237. The reversal of 11665233 is 33256611.

11665233 is a `hidden beast` number, since 1 + 1 + 6 + 652 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 294849 = 3372^2 + 543^2 .

It is not a de Polignac number, because 11665233 - 2¹ = 11665231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11665197 and 11665206.

It is not an unprimeable number, because it can be changed into a prime (11665231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 648060 + ... + 648077.

It is an arithmetic number, because the mean of its divisors is an integer number (2808299).

Almost surely, 2^11665233 is an apocalyptic number.

It is an amenable number.

11665233 is a deficient number, since it is larger than the sum of its proper divisors (5184561).

11665233 is a wasteful number, since it uses less digits than its factorization.

11665233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296143 (or 1296140 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 11665233 is about 3415.4403815614. The cubic root of 11665233 is about 226.7937798654.

The spelling of 11665233 in words is "eleven million, six hundred sixty-five thousand, two hundred thirty-three".