12026257 has 2 divisors, whose sum is σ = 12026258. Its totient is φ = 12026256.

The previous prime is 12026173. The next prime is 12026269. The reversal of 12026257 is 75262021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9054081 + 2972176 = 3009^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 12026257 - 2⁷ = 12026129 is a prime.

It is not a weakly prime, because it can be changed into another prime (12026057) 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, 6013128 + 6013129.

It is an arithmetic number, because the mean of its divisors is an integer number (6013129).

Almost surely, 2^12026257 is an apocalyptic number.

It is an amenable number.

12026257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12026257 is an equidigital number, since it uses as much as digits as its factorization.

12026257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 12026257 is about 3467.8894157686. The cubic root of 12026257 is about 229.1097088787.

Adding to 12026257 its reverse (75262021), we get a palindrome (87288278).

The spelling of 12026257 in words is "twelve million, twenty-six thousand, two hundred fifty-seven".