12311744 has 28 divisors (see below), whose sum is σ = 24957024. Its totient is φ = 6023424.

The previous prime is 12311731. The next prime is 12311759. The reversal of 12311744 is 44711321.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 962 + ... + 5054.

Almost surely, 2^12311744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12311744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12478512).

12311744 is an abundant number, since it is smaller than the sum of its proper divisors (12645280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311744 is an equidigital number, since it uses as much as digits as its factorization.

12311744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152 (or 4142 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 12311744 is about 3508.8094847113. The cubic root of 12311744 is about 230.9084674492.

The spelling of 12311744 in words is "twelve million, three hundred eleven thousand, seven hundred forty-four".