1271082713 has 2 divisors, whose sum is σ = 1271082714. Its totient is φ = 1271082712.

The previous prime is 1271082619. The next prime is 1271082737. The reversal of 1271082713 is 3172801721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1192459024 + 78623689 = 34532^2 + 8867^2 .

It is a cyclic number.

It is not a de Polignac number, because 1271082713 - 2²⁰ = 1270034137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1271082713.

It is not a weakly prime, because it can be changed into another prime (1271082763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635541356 + 635541357.

It is an arithmetic number, because the mean of its divisors is an integer number (635541357).

Almost surely, 2^1271082713 is an apocalyptic number.

It is an amenable number.

1271082713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1271082713 is an equidigital number, since it uses as much as digits as its factorization.

1271082713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1271082713 is about 35652.2469558372. The cubic root of 1271082713 is about 1083.2397894350.

The spelling of 1271082713 in words is "one billion, two hundred seventy-one million, eighty-two thousand, seven hundred thirteen".