12822943 has 4 divisors (see below), whose sum is σ = 14654800. Its totient is φ = 10991088.

The previous prime is 12822941. The next prime is 12822973. The reversal of 12822943 is 34922821.

12822943 is digitally balanced in base 3, 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: 34922821 = 211 ⋅165511.

It is a cyclic number.

It is not a de Polignac number, because 12822943 - 2¹ = 12822941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12822941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915918 + ... + 915931.

It is an arithmetic number, because the mean of its divisors is an integer number (3663700).

Almost surely, 2^12822943 is an apocalyptic number.

12822943 is a deficient number, since it is larger than the sum of its proper divisors (1831857).

12822943 is an equidigital number, since it uses as much as digits as its factorization.

12822943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831856.

The product of its digits is 6912, while the sum is 31.

The square root of 12822943 is about 3580.9137102142. The cubic root of 12822943 is about 234.0610975921.

It can be divided in two parts, 1282 and 2943, that added together give a square (4225 = 65²).

The spelling of 12822943 in words is "twelve million, eight hundred twenty-two thousand, nine hundred forty-three".