12956841 has 20 divisors (see below), whose sum is σ = 20376400. Its totient is φ = 8182296.

The previous prime is 12956837. The next prime is 12956863. The reversal of 12956841 is 14865921.

12956841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12956841 - 2² = 12956837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12956796 and 12956805.

It is not an unprimeable number, because it can be changed into a prime (12956831) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2671 + ... + 5748.

It is an arithmetic number, because the mean of its divisors is an integer number (1018820).

Almost surely, 2^12956841 is an apocalyptic number.

It is an amenable number.

12956841 is a deficient number, since it is larger than the sum of its proper divisors (7419559).

12956841 is an equidigital number, since it uses as much as digits as its factorization.

12956841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450 (or 8441 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12956841 is about 3599.5612232604. The cubic root of 12956841 is about 234.8729719395.

The spelling of 12956841 in words is "twelve million, nine hundred fifty-six thousand, eight hundred forty-one".