12256553 has 2 divisors, whose sum is σ = 12256554. Its totient is φ = 12256552.

The previous prime is 12256549. The next prime is 12256567. The reversal of 12256553 is 35565221.

It is a happy number.

12256553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10738729 + 1517824 = 3277^2 + 1232^2 .

It is a cyclic number.

It is not a de Polignac number, because 12256553 - 2² = 12256549 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12276553) 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 as a sum of consecutive naturals, namely, 6128276 + 6128277.

It is an arithmetic number, because the mean of its divisors is an integer number (6128277).

Almost surely, 2^12256553 is an apocalyptic number.

It is an amenable number.

12256553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12256553 is an equidigital number, since it uses as much as digits as its factorization.

12256553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 12256553 is about 3500.9360176958. The cubic root of 12256553 is about 230.5629122946.

The spelling of 12256553 in words is "twelve million, two hundred fifty-six thousand, five hundred fifty-three".