12071317 has 2 divisors, whose sum is σ = 12071318. Its totient is φ = 12071316.

The previous prime is 12071299. The next prime is 12071329. The reversal of 12071317 is 71317021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10023556 + 2047761 = 3166^2 + 1431^2 .

It is a cyclic number.

It is not a de Polignac number, because 12071317 - 2¹⁵ = 12038549 is a prime.

It is a super-2 number, since 2×12071317² = 291433388228978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12071387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6035658 + 6035659.

It is an arithmetic number, because the mean of its divisors is an integer number (6035659).

Almost surely, 2^12071317 is an apocalyptic number.

It is an amenable number.

12071317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12071317 is an equidigital number, since it uses as much as digits as its factorization.

12071317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 12071317 is about 3474.3800885913. The cubic root of 12071317 is about 229.3954951283.

Adding to 12071317 its reverse (71317021), we get a palindrome (83388338).

The spelling of 12071317 in words is "twelve million, seventy-one thousand, three hundred seventeen".