12813382 has 4 divisors (see below), whose sum is σ = 19220076. Its totient is φ = 6406690.

The previous prime is 12813379. The next prime is 12813403. The reversal of 12813382 is 28331821.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12813382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3203344 + ... + 3203347.

It is an arithmetic number, because the mean of its divisors is an integer number (4805019).

Almost surely, 2^12813382 is an apocalyptic number.

12813382 is a deficient number, since it is larger than the sum of its proper divisors (6406694).

12813382 is an equidigital number, since it uses as much as digits as its factorization.

12813382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406693.

The product of its digits is 2304, while the sum is 28.

The square root of 12813382 is about 3579.5784668030. The cubic root of 12813382 is about 234.0029098428.

The spelling of 12813382 in words is "twelve million, eight hundred thirteen thousand, three hundred eighty-two".