1312 is nontrivially palindromic in base 3 and base 7.
1312 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.
1312 is an undulating number in base 9.
It is a plaindrome in base 13 and base 14.
It is a nialpdrome in base 11 and base 16.
1312 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
21312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323).
1312 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312 is an equidigital number, since it uses as much as digits as its factorization.
1312 is an odious number, because the sum of its binary digits is odd.
The square root of 1312 is about 36.2215405525. The cubic root of 1312 is about 10.9474073496.
Adding to 1312 its reverse (2131), we get a palindrome (3443).
The spelling of 1312 in words is "one thousand, three hundred twelve", and thus it is an iban number.