12133291 has 8 divisors (see below), whose sum is σ = 13065840. Its totient is φ = 11225088.

The previous prime is 12133283. The next prime is 12133301. The reversal of 12133291 is 19233121.

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 12133291 - 2³ = 12133283 is a prime.

It is a super-3 number, since 3×12133291³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12133241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5046 + ... + 7051.

It is an arithmetic number, because the mean of its divisors is an integer number (1633230).

Almost surely, 2^12133291 is an apocalyptic number.

12133291 is a deficient number, since it is larger than the sum of its proper divisors (932549).

12133291 is a wasteful number, since it uses less digits than its factorization.

12133291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12173.

The product of its digits is 324, while the sum is 22.

The square root of 12133291 is about 3483.2873840670. The cubic root of 12133291 is about 229.7873964804.

The spelling of 12133291 in words is "twelve million, one hundred thirty-three thousand, two hundred ninety-one".