12317444 has 12 divisors (see below), whose sum is σ = 21611100. Its totient is φ = 6142848.

The previous prime is 12317441. The next prime is 12317467. The reversal of 12317444 is 44471321.

It can be written as a sum of positive squares in 2 ways, for example, as 8065600 + 4251844 = 2840^2 + 2062^2 .

It is not an unprimeable number, because it can be changed into a prime (12317441) by changing a digit.

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, 2129 + ... + 5400.

It is an arithmetic number, because the mean of its divisors is an integer number (1800925).

Almost surely, 2^12317444 is an apocalyptic number.

It is an amenable number.

12317444 is a deficient number, since it is larger than the sum of its proper divisors (9293656).

12317444 is a wasteful number, since it uses less digits than its factorization.

12317444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942 (or 7940 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 12317444 is about 3509.6216320282. The cubic root of 12317444 is about 230.9440967150.

Adding to 12317444 its reverse (44471321), we get a palindrome (56788765).

The spelling of 12317444 in words is "twelve million, three hundred seventeen thousand, four hundred forty-four".