1320 is nontrivially palindromic in base 13.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
1320 is an idoneal number.
1320 is an undulating number in base 13.
It is a nialpdrome in base 11 and base 12.
It is a congruent number.
1320 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 1320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1320 is a wasteful number, since it uses less digits than its factorization.
1320 is an evil number, because the sum of its binary digits is even.
The square root of 1320 is about 36.3318042492. The cubic root of 1320 is about 10.9696131049.
Adding to 1320 its reverse (231), we get a palindrome (1551).
Subtracting from 1320 its reverse (231), we obtain a square (1089 = 332).
The spelling of 1320 in words is "one thousand, three hundred twenty", and thus it is an iban number.