12556067 has 2 divisors, whose sum is σ = 12556068. Its totient is φ = 12556066.

The previous prime is 12556039. The next prime is 12556087. The reversal of 12556067 is 76065521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12556067 - 2¹⁰ = 12555043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12556087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6278033 + 6278034.

It is an arithmetic number, because the mean of its divisors is an integer number (6278034).

Almost surely, 2^12556067 is an apocalyptic number.

12556067 is a deficient number, since it is larger than the sum of its proper divisors (1).

12556067 is an equidigital number, since it uses as much as digits as its factorization.

12556067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 12556067 is about 3543.4541058126. The cubic root of 12556067 is about 232.4259107978.

The spelling of 12556067 in words is "twelve million, five hundred fifty-six thousand, sixty-seven".