12233312 has 48 divisors (see below), whose sum is σ = 29649312. Its totient is φ = 4838400.

The previous prime is 12233311. The next prime is 12233323. The reversal of 12233312 is 21333221.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233311) 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 7 ways as a sum of consecutive naturals, for example, 812 + ... + 5012.

It is an arithmetic number, because the mean of its divisors is an integer number (617694).

Almost surely, 2^12233312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12233312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14824656).

12233312 is an abundant number, since it is smaller than the sum of its proper divisors (17416000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12233312 is a wasteful number, since it uses less digits than its factorization.

12233312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231 (or 4223 counting only the distinct ones).

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

The square root of 12233312 is about 3497.6151875242. The cubic root of 12233312 is about 230.4170881745.

Adding to 12233312 its reverse (21333221), we get a palindrome (33566533).

Subtracting 12233312 from its reverse (21333221), we obtain a palindrome (9099909).

The spelling of 12233312 in words is "twelve million, two hundred thirty-three thousand, three hundred twelve".