11709197 has 2 divisors, whose sum is σ = 11709198. Its totient is φ = 11709196.

The previous prime is 11709193. The next prime is 11709223. The reversal of 11709197 is 79190711.

It is a happy number.

11709197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10666756 + 1042441 = 3266^2 + 1021^2 .

It is an emirp because it is prime and its reverse (79190711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11709197 - 2² = 11709193 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 (11709193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5854598 + 5854599.

It is an arithmetic number, because the mean of its divisors is an integer number (5854599).

Almost surely, 2^11709197 is an apocalyptic number.

It is an amenable number.

11709197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11709197 is an equidigital number, since it uses as much as digits as its factorization.

11709197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 35.

The square root of 11709197 is about 3421.8703949741. The cubic root of 11709197 is about 227.0783366032.

The spelling of 11709197 in words is "eleven million, seven hundred nine thousand, one hundred ninety-seven".