12013233 has 8 divisors (see below), whose sum is σ = 16090368. Its totient is φ = 7972464.

The previous prime is 12013229. The next prime is 12013259. The reversal of 12013233 is 33231021.

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

It is not a de Polignac number, because 12013233 - 2² = 12013229 is a prime.

It is a super-2 number, since 2×12013233² = 288635534224578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12013223) 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, 8310 + ... + 9647.

It is an arithmetic number, because the mean of its divisors is an integer number (2011296).

Almost surely, 2^12013233 is an apocalyptic number.

It is an amenable number.

12013233 is a deficient number, since it is larger than the sum of its proper divisors (4077135).

12013233 is a wasteful number, since it uses less digits than its factorization.

12013233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18183.

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

The square root of 12013233 is about 3466.0111078876. The cubic root of 12013233 is about 229.0269731708.

Adding to 12013233 its reverse (33231021), we get a palindrome (45244254).

It can be divided in two parts, 12013 and 233, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 12013233 in words is "twelve million, thirteen thousand, two hundred thirty-three".