12311460 has 96 divisors (see below), whose sum is σ = 43787520. Its totient is φ = 2813184.

The previous prime is 12311443. The next prime is 12311501. The reversal of 12311460 is 6411321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2152 + ... + 5408.

It is an arithmetic number, because the mean of its divisors is an integer number (456120).

Almost surely, 2^12311460 is an apocalyptic number.

12311460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12311460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21893760).

12311460 is an abundant number, since it is smaller than the sum of its proper divisors (31476060).

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

12311460 is a wasteful number, since it uses less digits than its factorization.

12311460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282 (or 3274 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12311460 is about 3508.7690149111. The cubic root of 12311460 is about 230.9066919491.

Adding to 12311460 its reverse (6411321), we get a palindrome (18722781).

The spelling of 12311460 in words is "twelve million, three hundred eleven thousand, four hundred sixty".