12823982 has 8 divisors (see below), whose sum is σ = 19434576. Its totient is φ = 6345792.

The previous prime is 12823981. The next prime is 12823999. The reversal of 12823982 is 28932821.

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 (12823981) 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, 32858 + ... + 33245.

It is an arithmetic number, because the mean of its divisors is an integer number (2429322).

Almost surely, 2^12823982 is an apocalyptic number.

12823982 is a deficient number, since it is larger than the sum of its proper divisors (6610594).

12823982 is an equidigital number, since it uses as much as digits as its factorization.

12823982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66202.

The product of its digits is 13824, while the sum is 35.

The square root of 12823982 is about 3581.0587819805. The cubic root of 12823982 is about 234.0674191496.

The spelling of 12823982 in words is "twelve million, eight hundred twenty-three thousand, nine hundred eighty-two".