12943822 has 8 divisors (see below), whose sum is σ = 19431000. Its totient is φ = 6466824.

The previous prime is 12943813. The next prime is 12943829. The reversal of 12943822 is 22834921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12943829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3804 + ... + 6352.

It is an arithmetic number, because the mean of its divisors is an integer number (2428875).

Almost surely, 2^12943822 is an apocalyptic number.

12943822 is a deficient number, since it is larger than the sum of its proper divisors (6487178).

12943822 is a wasteful number, since it uses less digits than its factorization.

12943822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090.

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

The square root of 12943822 is about 3597.7523539010. The cubic root of 12943822 is about 234.7942789939.

The spelling of 12943822 in words is "twelve million, nine hundred forty-three thousand, eight hundred twenty-two".