12916 has 6 divisors (see below), whose sum is σ = 22610. Its totient is φ = 6456.

The previous prime is 12911. The next prime is 12917. The reversal of 12916 is 61921.

12916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10000 + 2916 = 100^2 + 54^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12893 and 12902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12911) 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, 1611 + ... + 1618.

2¹²⁹¹⁶ is an apocalyptic number.

It is an amenable number.

12916 is a deficient number, since it is larger than the sum of its proper divisors (9694).

12916 is a wasteful number, since it uses less digits than its factorization.

12916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233 (or 3231 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

The square root of 12916 is about 113.6485811614. The cubic root of 12916 is about 23.4625932725.

The spelling of 12916 in words is "twelve thousand, nine hundred sixteen".