11217317 has 2 divisors, whose sum is σ = 11217318. Its totient is φ = 11217316.

The previous prime is 11217301. The next prime is 11217343. The reversal of 11217317 is 71371211.

11217317 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., 11115556 + 101761 = 3334^2 + 319^2 .

It is a cyclic number.

It is not a de Polignac number, because 11217317 - 2⁴ = 11217301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11217292 and 11217301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11217617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608658 + 5608659.

It is an arithmetic number, because the mean of its divisors is an integer number (5608659).

Almost surely, 2^11217317 is an apocalyptic number.

It is an amenable number.

11217317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11217317 is an equidigital number, since it uses as much as digits as its factorization.

11217317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294, while the sum is 23.

The square root of 11217317 is about 3349.2263285720. The cubic root of 11217317 is about 223.8530405635.

Adding to 11217317 its reverse (71371211), we get a palindrome (82588528).

The spelling of 11217317 in words is "eleven million, two hundred seventeen thousand, three hundred seventeen".