12956 has 12 divisors (see below), whose sum is σ = 23520.
Its totient is φ = 6240.
The previous prime is 12953. The next prime is 12959. The reversal of 12956 is 65921.
12956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12953) and next prime (12959).
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12953) 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 in 3 ways as a sum of consecutive naturals, for example, 125 + ... + 203.
It is an arithmetic number, because the mean of its divisors is an integer number (1960).
212956 is an apocalyptic number.
It is an amenable number.
12956 is a deficient number, since it is larger than the sum of its proper divisors (10564).
12956 is a wasteful number, since it uses less digits than its factorization.
12956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124 (or 122 counting only the distinct ones).
The product of its digits is 540, while the sum is 23.
The square root of 12956 is about 113.8244262011.
The cubic root of 12956 is about 23.4867890134.
The spelling of 12956 in words is "twelve thousand, nine hundred fifty-six".