12316444 has 48 divisors (see below), whose sum is σ = 25804800. Its totient is φ = 5139120.

The previous prime is 12316439. The next prime is 12316457. The reversal of 12316444 is 44461321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64389 + ... + 64579.

It is an arithmetic number, because the mean of its divisors is an integer number (537600).

Almost surely, 2^12316444 is an apocalyptic number.

12316444 is a gapful number since it is divisible by the number (14) 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 12316444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12902400).

12316444 is an abundant number, since it is smaller than the sum of its proper divisors (13488356).

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

12316444 is a wasteful number, since it uses less digits than its factorization.

12316444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 247 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 12316444 is about 3509.4791636367. The cubic root of 12316444 is about 230.9378467618.

Adding to 12316444 its reverse (44461321), we get a palindrome (56777765).

The spelling of 12316444 in words is "twelve million, three hundred sixteen thousand, four hundred forty-four".