12906056 has 16 divisors (see below), whose sum is σ = 24259500. Its totient is φ = 6436864.

The previous prime is 12906053. The next prime is 12906067. The reversal of 12906056 is 65060921.

It can be written as a sum of positive squares in 2 ways, for example, as 12888100 + 17956 = 3590^2 + 134^2 .

It is not an unprimeable number, because it can be changed into a prime (12906053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1796 + ... + 5388.

Almost surely, 2^12906056 is an apocalyptic number.

It is a pronic number, being equal to 3592×3593.

It is an amenable number.

12906056 is a deficient number, since it is larger than the sum of its proper divisors (11353444).

12906056 is a wasteful number, since it uses less digits than its factorization.

12906056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048 (or 4044 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 12906056 is about 3592.4999652053. The cubic root of 12906056 is about 234.5657046030.

Adding to 12906056 its reverse (65060921), we get a palindrome (77966977).

The spelling of 12906056 in words is "twelve million, nine hundred six thousand, fifty-six".