11655233 has 4 divisors (see below), whose sum is σ = 11662128. Its totient is φ = 11648340.

The previous prime is 11655223. The next prime is 11655239. The reversal of 11655233 is 33255611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11655233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11655239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 4932.

It is an arithmetic number, because the mean of its divisors is an integer number (2915532).

Almost surely, 2^11655233 is an apocalyptic number.

It is an amenable number.

11655233 is a deficient number, since it is larger than the sum of its proper divisors (6895).

11655233 is an equidigital number, since it uses as much as digits as its factorization.

11655233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894.

The product of its digits is 2700, while the sum is 26.

The square root of 11655233 is about 3413.9761276260. The cubic root of 11655233 is about 226.7289551517.

It can be divided in two parts, 11655 and 233, that multiplied together give a triangular number (2715615 = T₂₃₃₀).

The spelling of 11655233 in words is "eleven million, six hundred fifty-five thousand, two hundred thirty-three".