It is a tau number, because it is divible by the number of its divisors (720).
It is a congruent number.
It is an unprimeable number.
Almost surely, 213399706880 is an apocalyptic number.
13399706880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13399706880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28194936000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13399706880 is an equidigital number, since it uses as much as digits as its factorization.
13399706880 is an evil number, because the sum of its binary digits is even.
The spelling of 13399706880 in words is "thirteen billion, three hundred ninety-nine million, seven hundred six thousand, eight hundred eighty".