12946 has 4 divisors (see below), whose sum is σ = 19422.
Its totient is φ = 6472.
The previous prime is 12941. The next prime is 12953. The reversal of 12946 is 64921.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 12321 + 625 = 111^2 + 25^2
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (12941) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235 + ... + 3238.
212946 is an apocalyptic number.
12946 is a deficient number, since it is larger than the sum of its proper divisors (6476).
12946 is an equidigital number, since it uses as much as digits as its factorization.
12946 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6475.
The product of its digits is 432, while the sum is 22.
The square root of 12946 is about 113.7804904191.
The cubic root of 12946 is about 23.4807447522.
The spelling of 12946 in words is "twelve thousand, nine hundred forty-six".