11772233 has 4 divisors (see below), whose sum is σ = 12842448. Its totient is φ = 10702020.

The previous prime is 11772221. The next prime is 11772263. The reversal of 11772233 is 33227711.

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 an emirpimes, since its reverse is a distinct semiprime: 33227711 = 11 ⋅3020701.

It is a cyclic number.

It is not a de Polignac number, because 11772233 - 2⁶ = 11772169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11772263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535091 + ... + 535112.

It is an arithmetic number, because the mean of its divisors is an integer number (3210612).

Almost surely, 2^11772233 is an apocalyptic number.

It is an amenable number.

11772233 is a deficient number, since it is larger than the sum of its proper divisors (1070215).

11772233 is a wasteful number, since it uses less digits than its factorization.

11772233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070214.

The product of its digits is 1764, while the sum is 26.

The square root of 11772233 is about 3431.0687839214. The cubic root of 11772233 is about 227.4850966367.

Adding to 11772233 its reverse (33227711), we get a palindrome (44999944).

The spelling of 11772233 in words is "eleven million, seven hundred seventy-two thousand, two hundred thirty-three".