11957233 has 4 divisors (see below), whose sum is σ = 11985408. Its totient is φ = 11929060.

The previous prime is 11957221. The next prime is 11957249. The reversal of 11957233 is 33275911.

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.

It is a cyclic number.

It is not a de Polignac number, because 11957233 - 2⁵ = 11957201 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11957195 and 11957204.

It is not an unprimeable number, because it can be changed into a prime (11957633) 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, 13441 + ... + 14302.

It is an arithmetic number, because the mean of its divisors is an integer number (2996352).

Almost surely, 2^11957233 is an apocalyptic number.

It is an amenable number.

11957233 is a deficient number, since it is larger than the sum of its proper divisors (28175).

11957233 is an equidigital number, since it uses as much as digits as its factorization.

11957233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28174.

The product of its digits is 5670, while the sum is 31.

The square root of 11957233 is about 3457.9232206629. The cubic root of 11957233 is about 228.6705470229.

The spelling of 11957233 in words is "eleven million, nine hundred fifty-seven thousand, two hundred thirty-three".