It is a nialpdrome in base 16.
It is a congruent number.
Almost surely, 212275712 is an apocalyptic number.
12275712 is a gapful number since it is divisible by the number (12) 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 12275712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18831109).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12275712 is an frugal number, since it uses more digits than its factorization.
12275712 is an evil number, because the sum of its binary digits is even.
The square root of 12275712 is about 3503.6712174518. The cubic root of 12275712 is about 230.6829856179.
The spelling of 12275712 in words is "twelve million, two hundred seventy-five thousand, seven hundred twelve".