1312710617 has 2 divisors, whose sum is σ = 1312710618. Its totient is φ = 1312710616.

The previous prime is 1312710599. The next prime is 1312710629. The reversal of 1312710617 is 7160172131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 770007001 + 542703616 = 27749^2 + 23296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312710617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312710617.

It is not a weakly prime, because it can be changed into another prime (1312710677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656355308 + 656355309.

It is an arithmetic number, because the mean of its divisors is an integer number (656355309).

Almost surely, 2^1312710617 is an apocalyptic number.

It is an amenable number.

1312710617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312710617 is an equidigital number, since it uses as much as digits as its factorization.

1312710617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 1312710617 is about 36231.3485396279. The cubic root of 1312710617 is about 1094.9383469941.

Adding to 1312710617 its reverse (7160172131), we get a palindrome (8472882748).

The spelling of 1312710617 in words is "one billion, three hundred twelve million, seven hundred ten thousand, six hundred seventeen".