12818338 has 8 divisors (see below), whose sum is σ = 20706588. Its totient is φ = 5916144.

The previous prime is 12818329. The next prime is 12818341. The reversal of 12818338 is 83381821.

12818338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12794929 + 23409 = 3577^2 + 153^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246481 + ... + 246532.

Almost surely, 2^12818338 is an apocalyptic number.

12818338 is a deficient number, since it is larger than the sum of its proper divisors (7888250).

12818338 is a wasteful number, since it uses less digits than its factorization.

12818338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493028.

The product of its digits is 9216, while the sum is 34.

The square root of 12818338 is about 3580.2706601596. The cubic root of 12818338 is about 234.0330754133.

The spelling of 12818338 in words is "twelve million, eight hundred eighteen thousand, three hundred thirty-eight".