11742217 has 2 divisors, whose sum is σ = 11742218. Its totient is φ = 11742216.

The previous prime is 11742179. The next prime is 11742251. The reversal of 11742217 is 71224711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9217296 + 2524921 = 3036^2 + 1589^2 .

It is a cyclic number.

It is not a de Polignac number, because 11742217 - 2⁷ = 11742089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11742191 and 11742200.

It is not a weakly prime, because it can be changed into another prime (11742517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5871108 + 5871109.

It is an arithmetic number, because the mean of its divisors is an integer number (5871109).

Almost surely, 2^11742217 is an apocalyptic number.

It is an amenable number.

11742217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11742217 is an equidigital number, since it uses as much as digits as its factorization.

11742217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 784, while the sum is 25.

The square root of 11742217 is about 3426.6918449140. The cubic root of 11742217 is about 227.2915903229.

Adding to 11742217 its reverse (71224711), we get a palindrome (82966928).

The spelling of 11742217 in words is "eleven million, seven hundred forty-two thousand, two hundred seventeen".