Adding to 15000 its reverse (51), we get a palindrome (15051).
15000 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.
15000 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
15000 is strictly pandigital in base 6.
It is a nialpdrome in base 5 and base 12.
It is a zygodrome in base 5.
It is a self number, because there is not a number n which added to its sum of digits gives 15000.
It is a congruent number.
It is an unprimeable number.
215000 is an apocalyptic number.
15000 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 15000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15000 is an equidigital number, since it uses as much as digits as its factorization.
15000 is an odious number, because the sum of its binary digits is odd.
The square root of 15000 is about 122.4744871392. The cubic root of 15000 is about 24.6621207433.
The spelling of 15000 in words is "fifteen thousand".