Adding to 13320664 its reverse (46602331), we get a palindrome (59922995).
It is a congruent number.
It is an unprimeable number.
Almost surely, 213320664 is an apocalyptic number.
13320664 is a gapful number since it is divisible by the number (14) 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 13320664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14457600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13320664 is a wasteful number, since it uses less digits than its factorization.
13320664 is an odious number, because the sum of its binary digits is odd.
The square root of 13320664 is about 3649.7484844849. The cubic root of 13320664 is about 237.0510907201.
The spelling of 13320664 in words is "thirteen million, three hundred twenty thousand, six hundred sixty-four".