12648063547 has 4 divisors (see below), whose sum is σ = 14454929776. Its totient is φ = 10841197320.

The previous prime is 12648063541. The next prime is 12648063569. The reversal of 12648063547 is 74536084621.

12648063547 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.

It is a cyclic number.

It is not a de Polignac number, because 12648063547 - 2⁷ = 12648063419 is a prime.

It is a super-2 number, since 2×12648063547² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12648063497 and 12648063506.

It is not an unprimeable number, because it can be changed into a prime (12648063541) 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, 903433104 + ... + 903433117.

It is an arithmetic number, because the mean of its divisors is an integer number (3613732444).

Almost surely, 2^12648063547 is an apocalyptic number.

12648063547 is a deficient number, since it is larger than the sum of its proper divisors (1806866229).

12648063547 is an equidigital number, since it uses as much as digits as its factorization.

12648063547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806866228.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 12648063547 in words is "twelve billion, six hundred forty-eight million, sixty-three thousand, five hundred forty-seven".