13899793891200 has 768 divisors, whose sum is σ = 53776823063040. Its totient is φ = 3089321164800.

The previous prime is 13899793891153. The next prime is 13899793891201. The reversal of 13899793891200 is 219839799831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13899793891201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 845838184 + ... + 845854616.

It is an arithmetic number, because the mean of its divisors is an integer number (70021905030).

Almost surely, 2^{13899793891200} is an apocalyptic number.

13899793891200 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 13899793891200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26888411531520).

13899793891200 is an abundant number, since it is smaller than the sum of its proper divisors (39877029171840).

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

13899793891200 is a wasteful number, since it uses less digits than its factorization.

13899793891200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16815 (or 16798 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 69.

The spelling of 13899793891200 in words is "thirteen trillion, eight hundred ninety-nine billion, seven hundred ninety-three million, eight hundred ninety-one thousand, two hundred".