12033331 has 8 divisors (see below), whose sum is σ = 12808800. Its totient is φ = 11265408.

The previous prime is 12033323. The next prime is 12033349. The reversal of 12033331 is 13333021.

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

It is a cyclic number.

It is not a de Polignac number, because 12033331 - 2³ = 12033323 is a prime.

It is a super-2 number, since 2×12033331² = 289602109911122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12033391) 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, 1605 + ... + 5161.

It is an arithmetic number, because the mean of its divisors is an integer number (1601100).

Almost surely, 2^12033331 is an apocalyptic number.

12033331 is a deficient number, since it is larger than the sum of its proper divisors (775469).

12033331 is a wasteful number, since it uses less digits than its factorization.

12033331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 12033331 is about 3468.9091945452. The cubic root of 12033331 is about 229.1546218389.

Adding to 12033331 its reverse (13333021), we get a palindrome (25366352).

The spelling of 12033331 in words is "twelve million, thirty-three thousand, three hundred thirty-one".