12233321 has 4 divisors (see below), whose sum is σ = 12877200. Its totient is φ = 11589444.

The previous prime is 12233311. The next prime is 12233323. The reversal of 12233321 is 12333221.

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: 12333221 = 23 ⋅536227.

It is a cyclic number.

It is not a de Polignac number, because 12233321 - 2¹⁴ = 12216937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12233321.

It is not an unprimeable number, because it can be changed into a prime (12233323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321911 + ... + 321948.

It is an arithmetic number, because the mean of its divisors is an integer number (3219300).

Almost surely, 2^12233321 is an apocalyptic number.

It is an amenable number.

12233321 is a deficient number, since it is larger than the sum of its proper divisors (643879).

12233321 is an equidigital number, since it uses as much as digits as its factorization.

12233321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643878.

The product of its digits is 216, while the sum is 17.

The square root of 12233321 is about 3497.6164741149. The cubic root of 12233321 is about 230.4171446801.

Adding to 12233321 its reverse (12333221), we get a palindrome (24566542).

It can be divided in two parts, 1 and 2233321, that added together give a palindrome (2233322).

The spelling of 12233321 in words is "twelve million, two hundred thirty-three thousand, three hundred twenty-one".