11297189 has 2 divisors, whose sum is σ = 11297190. Its totient is φ = 11297188.

The previous prime is 11297183. The next prime is 11297203. The reversal of 11297189 is 98179211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11276164 + 21025 = 3358^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 11297189 - 2²⁰ = 10248613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11297183) 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, 5648594 + 5648595.

It is an arithmetic number, because the mean of its divisors is an integer number (5648595).

Almost surely, 2^11297189 is an apocalyptic number.

It is an amenable number.

11297189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11297189 is an equidigital number, since it uses as much as digits as its factorization.

11297189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 38.

The square root of 11297189 is about 3361.1291257552. The cubic root of 11297189 is about 224.3830936474.

The spelling of 11297189 in words is "eleven million, two hundred ninety-seven thousand, one hundred eighty-nine".