12311589 has 8 divisors (see below), whose sum is σ = 16693920. Its totient is φ = 8068496.

The previous prime is 12311561. The next prime is 12311591. The reversal of 12311589 is 98511321.

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 12311589 - 2⁸ = 12311333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311539) 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, 34602 + ... + 34955.

It is an arithmetic number, because the mean of its divisors is an integer number (2086740).

Almost surely, 2^12311589 is an apocalyptic number.

It is an amenable number.

12311589 is a deficient number, since it is larger than the sum of its proper divisors (4382331).

12311589 is an equidigital number, since it uses as much as digits as its factorization.

12311589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69619.

The product of its digits is 2160, while the sum is 30.

The square root of 12311589 is about 3508.7873973782. The cubic root of 12311589 is about 230.9074984296.

The spelling of 12311589 in words is "twelve million, three hundred eleven thousand, five hundred eighty-nine".