1234560987713 has 2 divisors, whose sum is σ = 1234560987714. Its totient is φ = 1234560987712.

The previous prime is 1234560987589. The next prime is 1234560987739. The reversal of 1234560987713 is 3177890654321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1234560987664 + 49 = 1111108^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234560987713 - 2¹⁰ = 1234560986689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234560987113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617280493856 + 617280493857.

It is an arithmetic number, because the mean of its divisors is an integer number (617280493857).

It is a 1-persistent number, because it is pandigital, but 2⋅1234560987713 = 2469121975426 is not.

Almost surely, 2^{1234560987713} is an apocalyptic number.

It is an amenable number.

1234560987713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234560987713 is an equidigital number, since it uses as much as digits as its factorization.

1234560987713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 1234560987713 in words is "one trillion, two hundred thirty-four billion, five hundred sixty million, nine hundred eighty-seven thousand, seven hundred thirteen".