12648449704 has 32 divisors (see below), whose sum is σ = 26571074400. Its totient is φ = 5593907520.

The previous prime is 12648449689. The next prime is 12648449729. The reversal of 12648449704 is 40794484621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1939074 + ... + 1945585.

It is an arithmetic number, because the mean of its divisors is an integer number (830346075).

Almost surely, 2^12648449704 is an apocalyptic number.

It is an amenable number.

12648449704 is an abundant number, since it is smaller than the sum of its proper divisors (13922624696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12648449704 is a wasteful number, since it uses less digits than its factorization.

12648449704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884713 (or 3884709 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 12648449704 in words is "twelve billion, six hundred forty-eight million, four hundred forty-nine thousand, seven hundred four".