12210791 has 2 divisors, whose sum is σ = 12210792. Its totient is φ = 12210790.

The previous prime is 12210773. The next prime is 12210823. The reversal of 12210791 is 19701221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12210791 - 2⁶ = 12210727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210721) 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, 6105395 + 6105396.

It is an arithmetic number, because the mean of its divisors is an integer number (6105396).

Almost surely, 2^12210791 is an apocalyptic number.

12210791 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210791 is an equidigital number, since it uses as much as digits as its factorization.

12210791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 12210791 is about 3494.3942250410. The cubic root of 12210791 is about 230.2756053424.

The spelling of 12210791 in words is "twelve million, two hundred ten thousand, seven hundred ninety-one".