12447363807736 has 32 divisors (see below), whose sum is σ = 27419018180400. Its totient is φ = 5222670128640.

The previous prime is 12447363807709. The next prime is 12447363807743. The reversal of 12447363807736 is 63770836374421.

It is a congruent number.

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, 5440280241 + ... + 5440282528.

Almost surely, 2^{12447363807736} is an apocalyptic number.

It is an amenable number.

12447363807736 is an abundant number, since it is smaller than the sum of its proper divisors (14971654372664).

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

12447363807736 is a wasteful number, since it uses less digits than its factorization.

12447363807736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880562799 (or 10880562795 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 61.

The spelling of 12447363807736 in words is "twelve trillion, four hundred forty-seven billion, three hundred sixty-three million, eight hundred seven thousand, seven hundred thirty-six".