11926997 has 2 divisors, whose sum is σ = 11926998. Its totient is φ = 11926996.

The previous prime is 11926991. The next prime is 11927011. The reversal of 11926997 is 79962911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11771761 + 155236 = 3431^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 11926997 - 2⁶ = 11926933 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 (11926991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5963498 + 5963499.

It is an arithmetic number, because the mean of its divisors is an integer number (5963499).

Almost surely, 2^11926997 is an apocalyptic number.

It is an amenable number.

11926997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11926997 is an equidigital number, since it uses as much as digits as its factorization.

11926997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 44.

The square root of 11926997 is about 3453.5484649850. The cubic root of 11926997 is about 228.4776395531.

The spelling of 11926997 in words is "eleven million, nine hundred twenty-six thousand, nine hundred ninety-seven".