1290263713 has 2 divisors, whose sum is σ = 1290263714. Its totient is φ = 1290263712.

The previous prime is 1290263699. The next prime is 1290263731. The reversal of 1290263713 is 3173620921.

Together with next prime (1290263731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1104432289 + 185831424 = 33233^2 + 13632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1290263713 - 2⁹ = 1290263201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1290263753) 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, 645131856 + 645131857.

It is an arithmetic number, because the mean of its divisors is an integer number (645131857).

Almost surely, 2^1290263713 is an apocalyptic number.

It is an amenable number.

1290263713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290263713 is an equidigital number, since it uses as much as digits as its factorization.

1290263713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 1290263713 is about 35920.2409930668. The cubic root of 1290263713 is about 1088.6614078832.

The spelling of 1290263713 in words is "one billion, two hundred ninety million, two hundred sixty-three thousand, seven hundred thirteen".