12016717 has 2 divisors, whose sum is σ = 12016718. Its totient is φ = 12016716.

The previous prime is 12016687. The next prime is 12016723. The reversal of 12016717 is 71761021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11417641 + 599076 = 3379^2 + 774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12016717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12016691 and 12016700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12016727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6008358 + 6008359.

It is an arithmetic number, because the mean of its divisors is an integer number (6008359).

Almost surely, 2^12016717 is an apocalyptic number.

It is an amenable number.

12016717 is a deficient number, since it is larger than the sum of its proper divisors (1).

12016717 is an equidigital number, since it uses as much as digits as its factorization.

12016717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 12016717 is about 3466.5136664955. The cubic root of 12016717 is about 229.0491113371.

Adding to 12016717 its reverse (71761021), we get a palindrome (83777738).

The spelling of 12016717 in words is "twelve million, sixteen thousand, seven hundred seventeen".