12748747813 has 8 divisors (see below), whose sum is σ = 13603568000. Its totient is φ = 11912311008.

The previous prime is 12748747777. The next prime is 12748747841. The reversal of 12748747813 is 31874784721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12748747813 - 2⁹ = 12748747301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12748747883) 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 in 7 ways as a sum of consecutive naturals, for example, 4594413 + ... + 4597186.

It is an arithmetic number, because the mean of its divisors is an integer number (1700446000).

Almost surely, 2^12748747813 is an apocalyptic number.

It is an amenable number.

12748747813 is a deficient number, since it is larger than the sum of its proper divisors (854820187).

12748747813 is an equidigital number, since it uses as much as digits as its factorization.

12748747813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191691.

The product of its digits is 2107392, while the sum is 52.

The spelling of 12748747813 in words is "twelve billion, seven hundred forty-eight million, seven hundred forty-seven thousand, eight hundred thirteen".