12946827447 has 12 divisors (see below), whose sum is σ = 18724447560. Its totient is φ = 8620383888.

The previous prime is 12946827437. The next prime is 12946827457. The reversal of 12946827447 is 74472864921.

12946827447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12946827437) and next prime (12946827457).

It is not a de Polignac number, because 12946827447 - 2⁷ = 12946827319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12946827393 and 12946827402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12946827437) 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 11 ways as a sum of consecutive naturals, for example, 895297 + ... + 909642.

It is an arithmetic number, because the mean of its divisors is an integer number (1560370630).

Almost surely, 2^12946827447 is an apocalyptic number.

12946827447 is a deficient number, since it is larger than the sum of its proper divisors (5777620113).

12946827447 is a wasteful number, since it uses less digits than its factorization.

12946827447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805742 (or 1805739 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 12946827447 in words is "twelve billion, nine hundred forty-six million, eight hundred twenty-seven thousand, four hundred forty-seven".