12447831803 has 12 divisors (see below), whose sum is σ = 13940491824. Its totient is φ = 11102691600.

The previous prime is 12447831797. The next prime is 12447831829. The reversal of 12447831803 is 30813874421.

It is not a de Polignac number, because 12447831803 - 2²⁰ = 12446783227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12447837803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964103 + ... + 976928.

It is an arithmetic number, because the mean of its divisors is an integer number (1161707652).

Almost surely, 2^12447831803 is an apocalyptic number.

12447831803 is a deficient number, since it is larger than the sum of its proper divisors (1492660021).

12447831803 is a wasteful number, since it uses less digits than its factorization.

12447831803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941106 (or 1941095 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 12447831803 in words is "twelve billion, four hundred forty-seven million, eight hundred thirty-one thousand, eight hundred three".