11636197 has 2 divisors, whose sum is σ = 11636198. Its totient is φ = 11636196.

The previous prime is 11636173. The next prime is 11636201. The reversal of 11636197 is 79163611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10439361 + 1196836 = 3231^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 11636197 - 2⁷ = 11636069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11636117) 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, 5818098 + 5818099.

It is an arithmetic number, because the mean of its divisors is an integer number (5818099).

Almost surely, 2^11636197 is an apocalyptic number.

It is an amenable number.

11636197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11636197 is an equidigital number, since it uses as much as digits as its factorization.

11636197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 11636197 is about 3411.1870367953. The cubic root of 11636197 is about 226.6054522798.

The spelling of 11636197 in words is "eleven million, six hundred thirty-six thousand, one hundred ninety-seven".