12033321 has 8 divisors (see below), whose sum is σ = 16090560. Its totient is φ = 7999152.

The previous prime is 12033313. The next prime is 12033323. The reversal of 12033321 is 12333021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12033321 - 2³ = 12033313 is a prime.

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 12033321.

It is not an unprimeable number, because it can be changed into a prime (12033323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4510 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (2011320).

Almost surely, 2^12033321 is an apocalyptic number.

It is an amenable number.

12033321 is a deficient number, since it is larger than the sum of its proper divisors (4057239).

12033321 is a wasteful number, since it uses less digits than its factorization.

12033321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11535.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 12033321 is about 3468.9077531696. The cubic root of 12033321 is about 229.1545583612.

Adding to 12033321 its reverse (12333021), we get a palindrome (24366342).

The spelling of 12033321 in words is "twelve million, thirty-three thousand, three hundred twenty-one".