11717047 has 2 divisors, whose sum is σ = 11717048. Its totient is φ = 11717046.

The previous prime is 11717009. The next prime is 11717071. The reversal of 11717047 is 74071711.

11717047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11717047 - 2¹⁵ = 11684279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11717077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5858523 + 5858524.

It is an arithmetic number, because the mean of its divisors is an integer number (5858524).

Almost surely, 2^11717047 is an apocalyptic number.

11717047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11717047 is an equidigital number, since it uses as much as digits as its factorization.

11717047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 11717047 is about 3423.0172362990. The cubic root of 11717047 is about 227.1290707039.

Adding to 11717047 its reverse (74071711), we get a palindrome (85788758).

It can be divided in two parts, 1171704 and 7, that added together give a palindrome (1171711).

The spelling of 11717047 in words is "eleven million, seven hundred seventeen thousand, forty-seven".