11700217 has 2 divisors, whose sum is σ = 11700218. Its totient is φ = 11700216.

The previous prime is 11700209. The next prime is 11700223. The reversal of 11700217 is 71200711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11215801 + 484416 = 3349^2 + 696^2 .

It is an emirp because it is prime and its reverse (71200711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11700217 - 2³ = 11700209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11700194 and 11700203.

It is not a weakly prime, because it can be changed into another prime (11700317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5850108 + 5850109.

It is an arithmetic number, because the mean of its divisors is an integer number (5850109).

Almost surely, 2^11700217 is an apocalyptic number.

It is an amenable number.

11700217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11700217 is an equidigital number, since it uses as much as digits as its factorization.

11700217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 11700217 is about 3420.5579954154. The cubic root of 11700217 is about 227.0202715632.

Adding to 11700217 its reverse (71200711), we get a palindrome (82900928).

The spelling of 11700217 in words is "eleven million, seven hundred thousand, two hundred seventeen".