1307247713 has 2 divisors, whose sum is σ = 1307247714. Its totient is φ = 1307247712.

The previous prime is 1307247677. The next prime is 1307247727. The reversal of 1307247713 is 3177427031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1045358224 + 261889489 = 32332^2 + 16183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1307247713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1307247743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653623856 + 653623857.

It is an arithmetic number, because the mean of its divisors is an integer number (653623857).

Almost surely, 2^1307247713 is an apocalyptic number.

It is an amenable number.

1307247713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307247713 is an equidigital number, since it uses as much as digits as its factorization.

1307247713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 1307247713 is about 36155.8807526521. The cubic root of 1307247713 is about 1093.4173568329.

The spelling of 1307247713 in words is "one billion, three hundred seven million, two hundred forty-seven thousand, seven hundred thirteen".