13987084800 has 240 divisors, whose sum is σ = 49761502560. Its totient is φ = 3442851840.

The previous prime is 13987084759. The next prime is 13987084861. The reversal of 13987084800 is 848078931.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13987084800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485191 + ... + 513209.

It is an arithmetic number, because the mean of its divisors is an integer number (207339594).

Almost surely, 2^13987084800 is an apocalyptic number.

13987084800 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 13987084800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24880751280).

13987084800 is an abundant number, since it is smaller than the sum of its proper divisors (35774417760).

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

13987084800 is a wasteful number, since it uses less digits than its factorization.

13987084800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28063 (or 28042 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 13987084800 in words is "thirteen billion, nine hundred eighty-seven million, eighty-four thousand, eight hundred".