12017133 has 16 divisors (see below), whose sum is σ = 17908800. Its totient is φ = 7963920.

The previous prime is 12017129. The next prime is 12017143. The reversal of 12017133 is 33171021.

It is not a de Polignac number, because 12017133 - 2² = 12017129 is a prime.

It is a super-2 number, since 2×12017133² = 288822971079378, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12017123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3658 + ... + 6116.

It is an arithmetic number, because the mean of its divisors is an integer number (1119300).

Almost surely, 2^12017133 is an apocalyptic number.

It is an amenable number.

12017133 is a deficient number, since it is larger than the sum of its proper divisors (5891667).

12017133 is a wasteful number, since it uses less digits than its factorization.

12017133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 12017133 is about 3466.5736686244. The cubic root of 12017133 is about 229.0517544143.

Adding to 12017133 its reverse (33171021), we get a palindrome (45188154).

The spelling of 12017133 in words is "twelve million, seventeen thousand, one hundred thirty-three".