12311056 has 20 divisors (see below), whose sum is σ = 23921212. Its totient is φ = 6137856.

The previous prime is 12311053. The next prime is 12311059. The reversal of 12311056 is 65011321.

12311056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12311053) and next prime (12311059).

It can be written as a sum of positive squares in 2 ways, for example, as 3549456 + 8761600 = 1884^2 + 2960^2 .

It is not an unprimeable number, because it can be changed into a prime (12311053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6040 + ... + 7816.

Almost surely, 2^12311056 is an apocalyptic number.

12311056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12311056 is a deficient number, since it is larger than the sum of its proper divisors (11610156).

12311056 is a wasteful number, since it uses less digits than its factorization.

12311056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12311056 is about 3508.7114443909. The cubic root of 12311056 is about 230.9041661906.

Adding to 12311056 its reverse (65011321), we get a palindrome (77322377).

The spelling of 12311056 in words is "twelve million, three hundred eleven thousand, fifty-six".