13247479200 has 72 divisors (see below), whose sum is σ = 43120552608. Its totient is φ = 3532660480.

The previous prime is 13247479199. The next prime is 13247479207. The reversal of 13247479200 is 297474231.

13247479200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13247479207) 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, 2757492 + ... + 2762291.

It is an arithmetic number, because the mean of its divisors is an integer number (598896564).

Almost surely, 2^13247479200 is an apocalyptic number.

13247479200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13247479200 is an abundant number, since it is smaller than the sum of its proper divisors (29873073408).

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

13247479200 is a wasteful number, since it uses less digits than its factorization.

13247479200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519806 (or 5519793 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 13247479200 in words is "thirteen billion, two hundred forty-seven million, four hundred seventy-nine thousand, two hundred".