It is a happy number.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
Almost surely, 213631832 is an apocalyptic number.
13631832 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 13631832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18778500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13631832 is a wasteful number, since it uses less digits than its factorization.
13631832 is an odious number, because the sum of its binary digits is odd.
The square root of 13631832 is about 3692.1310919305. The cubic root of 13631832 is about 238.8827234593.
The spelling of 13631832 in words is "thirteen million, six hundred thirty-one thousand, eight hundred thirty-two".