12026291 has 2 divisors, whose sum is σ = 12026292. Its totient is φ = 12026290.

The previous prime is 12026269. The next prime is 12026317. The reversal of 12026291 is 19262021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12026291 - 2¹⁰ = 12025267 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12026891) 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, 6013145 + 6013146.

It is an arithmetic number, because the mean of its divisors is an integer number (6013146).

Almost surely, 2^12026291 is an apocalyptic number.

12026291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12026291 is an equidigital number, since it uses as much as digits as its factorization.

12026291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12026291 is about 3467.8943178823. The cubic root of 12026291 is about 229.1099247874.

The spelling of 12026291 in words is "twelve million, twenty-six thousand, two hundred ninety-one".