Adding to 12300000 its reverse (321), we get a palindrome (12300321).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a congruent number.
It is an unprimeable number.
Almost surely, 212300000 is an apocalyptic number.
12300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12300000 is the 1875-th nonagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20670552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12300000 is an frugal number, since it uses more digits than its factorization.
12300000 is an evil number, because the sum of its binary digits is even.
The square root of 12300000 is about 3507.1355833500. The cubic root of 12300000 is about 230.8350239754.
The spelling of 12300000 in words is "twelve million, three hundred thousand".