12318056 has 16 divisors (see below), whose sum is σ = 23133600. Its totient is φ = 6149104.

The previous prime is 12318043. The next prime is 12318071. The reversal of 12318056 is 65081321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9155 + ... + 10413.

It is an arithmetic number, because the mean of its divisors is an integer number (1445850).

Almost surely, 2^12318056 is an apocalyptic number.

It is an amenable number.

12318056 is a deficient number, since it is larger than the sum of its proper divisors (10815544).

12318056 is a wasteful number, since it uses less digits than its factorization.

12318056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12318056 is about 3509.7088198311. The cubic root of 12318056 is about 230.9479215195.

Adding to 12318056 its reverse (65081321), we get a palindrome (77399377).

The spelling of 12318056 in words is "twelve million, three hundred eighteen thousand, fifty-six".