12927056 has 10 divisors (see below), whose sum is σ = 25046202. Its totient is φ = 6463520.

The previous prime is 12927053. The next prime is 12927067. The reversal of 12927056 is 65072921.

It can be written as a sum of positive squares in only one way, i.e., 6677056 + 6250000 = 2584^2 + 2500^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12927053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403955 + ... + 403986.

Almost surely, 2^12927056 is an apocalyptic number.

12927056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12927056 is a deficient number, since it is larger than the sum of its proper divisors (12119146).

12927056 is an equidigital number, since it uses as much as digits as its factorization.

12927056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807949 (or 807943 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 12927056 is about 3595.4215330056. The cubic root of 12927056 is about 234.6928596509.

Adding to 12927056 its reverse (65072921), we get a palindrome (77999977).

The spelling of 12927056 in words is "twelve million, nine hundred twenty-seven thousand, fifty-six".