12730013169 has 4 divisors (see below), whose sum is σ = 16973350896. Its totient is φ = 8486675444.

The previous prime is 12730013147. The next prime is 12730013171. The reversal of 12730013169 is 96131003721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12730013169 - 2⁹ = 12730012657 is a prime.

It is a super-2 number, since 2×12730013169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12730013069) 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 3 ways as a sum of consecutive naturals, for example, 2121668859 + ... + 2121668864.

It is an arithmetic number, because the mean of its divisors is an integer number (4243337724).

Almost surely, 2^12730013169 is an apocalyptic number.

It is an amenable number.

12730013169 is a deficient number, since it is larger than the sum of its proper divisors (4243337727).

12730013169 is an equidigital number, since it uses as much as digits as its factorization.

12730013169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243337726.

The product of its (nonzero) digits is 6804, while the sum is 33.

The spelling of 12730013169 in words is "twelve billion, seven hundred thirty million, thirteen thousand, one hundred sixty-nine".