12388394 has 16 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 5940144.

The previous prime is 12388391. The next prime is 12388403. The reversal of 12388394 is 49388321.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12388391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9047 + ... + 10325.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^12388394 is an apocalyptic number.

12388394 is a deficient number, since it is larger than the sum of its proper divisors (6965206).

12388394 is a wasteful number, since it uses less digits than its factorization.

12388394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477.

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

The square root of 12388394 is about 3519.7150452842. The cubic root of 12388394 is about 231.3866702216.

The spelling of 12388394 in words is "twelve million, three hundred eighty-eight thousand, three hundred ninety-four".