12091333 has 4 divisors (see below), whose sum is σ = 12481408. Its totient is φ = 11701260.

The previous prime is 12091319. The next prime is 12091337. The reversal of 12091333 is 33319021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-12091333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12091337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194991 + ... + 195052.

It is an arithmetic number, because the mean of its divisors is an integer number (3120352).

Almost surely, 2^12091333 is an apocalyptic number.

It is an amenable number.

12091333 is a deficient number, since it is larger than the sum of its proper divisors (390075).

12091333 is an equidigital number, since it uses as much as digits as its factorization.

12091333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390074.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 12091333 is about 3477.2594093625. The cubic root of 12091333 is about 229.5222154834.

The spelling of 12091333 in words is "twelve million, ninety-one thousand, three hundred thirty-three".