11317247 has 2 divisors, whose sum is σ = 11317248. Its totient is φ = 11317246.

The previous prime is 11317237. The next prime is 11317259. The reversal of 11317247 is 74271311.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74271311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11317247 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 (11317237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5658623 + 5658624.

It is an arithmetic number, because the mean of its divisors is an integer number (5658624).

Almost surely, 2^11317247 is an apocalyptic number.

11317247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11317247 is an equidigital number, since it uses as much as digits as its factorization.

11317247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 26.

The square root of 11317247 is about 3364.1116212159. Note that the first 3 decimals coincide. The cubic root of 11317247 is about 224.5158114733.

Adding to 11317247 its reverse (74271311), we get a palindrome (85588558).

The spelling of 11317247 in words is "eleven million, three hundred seventeen thousand, two hundred forty-seven".