12493838 has 16 divisors (see below), whose sum is σ = 22157280. Its totient is φ = 5169696.

The previous prime is 12493829. The next prime is 12493841. The reversal of 12493838 is 83839421.

12493838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14981 + ... + 15792.

It is an arithmetic number, because the mean of its divisors is an integer number (1384830).

Almost surely, 2^12493838 is an apocalyptic number.

12493838 is a deficient number, since it is larger than the sum of its proper divisors (9663442).

12493838 is a wasteful number, since it uses less digits than its factorization.

12493838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30811.

The product of its digits is 41472, while the sum is 38.

The square root of 12493838 is about 3534.6623601131. The cubic root of 12493838 is about 232.0413001187.

It can be divided in two parts, 12493 and 838, that added together give a palindrome (13331).

The spelling of 12493838 in words is "twelve million, four hundred ninety-three thousand, eight hundred thirty-eight".