12746 has 4 divisors (see below), whose sum is σ = 19122.
Its totient is φ = 6372.
The previous prime is 12743. The next prime is 12757. The reversal of 12746 is 64721.
12746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64721 = 61 ⋅1061.
It can be written as a sum of positive squares in only one way, i.e., 9025 + 3721 = 95^2 + 61^2
It is not an unprimeable number, because it can be changed into a prime (12743) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3185 + ... + 3188.
212746 is an apocalyptic number.
12746 is a deficient number, since it is larger than the sum of its proper divisors (6376).
12746 is an equidigital number, since it uses as much as digits as its factorization.
12746 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6375.
The product of its digits is 336, while the sum is 20.
The square root of 12746 is about 112.8981842192.
The cubic root of 12746 is about 23.3592003385.
The spelling of 12746 in words is "twelve thousand, seven hundred forty-six".