12026647 has 2 divisors, whose sum is σ = 12026648. Its totient is φ = 12026646.

The previous prime is 12026603. The next prime is 12026683. The reversal of 12026647 is 74662021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12026647 - 2²³ = 3638039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12026347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6013323 + 6013324.

It is an arithmetic number, because the mean of its divisors is an integer number (6013324).

Almost surely, 2^12026647 is an apocalyptic number.

12026647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12026647 is an equidigital number, since it uses as much as digits as its factorization.

12026647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12026647 is about 3467.9456454795. The cubic root of 12026647 is about 229.1121854547.

Adding to 12026647 its reverse (74662021), we get a palindrome (86688668).

The spelling of 12026647 in words is "twelve million, twenty-six thousand, six hundred forty-seven".