12993338 has 24 divisors (see below), whose sum is σ = 21206772. Its totient is φ = 5949824.

The previous prime is 12993329. The next prime is 12993373. The reversal of 12993338 is 83339921.

It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 1857769 = 3337^2 + 1363^2 .

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 75020 + ... + 75192.

Almost surely, 2^12993338 is an apocalyptic number.

12993338 is a deficient number, since it is larger than the sum of its proper divisors (8213434).

12993338 is a wasteful number, since it uses less digits than its factorization.

12993338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 239 counting only the distinct ones).

The product of its digits is 34992, while the sum is 38.

The square root of 12993338 is about 3604.6273038970. The cubic root of 12993338 is about 235.0932962893.

It can be divided in two parts, 12993 and 338, that added together give a palindrome (13331).

The spelling of 12993338 in words is "twelve million, nine hundred ninety-three thousand, three hundred thirty-eight".