12333391 has 8 divisors (see below), whose sum is σ = 14140544. Its totient is φ = 10537560.

The previous prime is 12333379. The next prime is 12333437. The reversal of 12333391 is 19333321.

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 12333391 - 2⁷ = 12333263 is a prime.

It is a super-2 number, since 2×12333391² = 304225067117762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12333341) 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, 345 + ... + 4978.

It is an arithmetic number, because the mean of its divisors is an integer number (1767568).

Almost surely, 2^12333391 is an apocalyptic number.

12333391 is a deficient number, since it is larger than the sum of its proper divisors (1807153).

12333391 is an equidigital number, since it uses as much as digits as its factorization.

12333391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661.

The product of its digits is 1458, while the sum is 25.

The square root of 12333391 is about 3511.8927944913. The cubic root of 12333391 is about 231.0437190417.

It can be divided in two parts, 1233 and 3391, that added together give a square (4624 = 68²).

The spelling of 12333391 in words is "twelve million, three hundred thirty-three thousand, three hundred ninety-one".