12984967841 has 4 divisors (see below), whose sum is σ = 13167854784. Its totient is φ = 12802080900.

The previous prime is 12984967813. The next prime is 12984967867. The reversal of 12984967841 is 14876948921.

12984967841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14876948921 = 8669 ⋅1716109.

It is a cyclic number.

It is not a de Polignac number, because 12984967841 - 2³⁰ = 11911226017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12984967141) 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 in 3 ways as a sum of consecutive naturals, for example, 91443365 + ... + 91443506.

It is an arithmetic number, because the mean of its divisors is an integer number (3291963696).

Almost surely, 2^12984967841 is an apocalyptic number.

It is an amenable number.

12984967841 is a deficient number, since it is larger than the sum of its proper divisors (182886943).

12984967841 is an equidigital number, since it uses as much as digits as its factorization.

12984967841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182886942.

The product of its digits is 6967296, while the sum is 59.

The spelling of 12984967841 in words is "twelve billion, nine hundred eighty-four million, nine hundred sixty-seven thousand, eight hundred forty-one".