It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
Almost surely, 218706000 is an apocalyptic number.
18706000 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 18706000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23212800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18706000 is a wasteful number, since it uses less digits than its factorization.
18706000 is an evil number, because the sum of its binary digits is even.
The square root of 18706000 is about 4325.0433523839. The cubic root of 18706000 is about 265.4566707439.
Adding to 18706000 its reverse (60781), we get a palindrome (18766781).
The spelling of 18706000 in words is "eighteen million, seven hundred six thousand".