12311329 has 8 divisors (see below), whose sum is σ = 12547008. Its totient is φ = 12077520.

The previous prime is 12311311. The next prime is 12311333. The reversal of 12311329 is 92311321.

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 12311329 - 2⁹ = 12310817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311339) 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, 22234 + ... + 22780.

It is an arithmetic number, because the mean of its divisors is an integer number (1568376).

Almost surely, 2^12311329 is an apocalyptic number.

It is an amenable number.

12311329 is a deficient number, since it is larger than the sum of its proper divisors (235679).

12311329 is an equidigital number, since it uses as much as digits as its factorization.

12311329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935.

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

The square root of 12311329 is about 3508.7503473459. The cubic root of 12311329 is about 230.9058729592.

The spelling of 12311329 in words is "twelve million, three hundred eleven thousand, three hundred twenty-nine".