12398384 has 20 divisors (see below), whose sum is σ = 24076584. Its totient is φ = 6185088.

The previous prime is 12398381. The next prime is 12398413. The reversal of 12398384 is 48389321.

It is a super-2 number, since 2×12398384² = 307439851622912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12398381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12764 + ... + 13700.

Almost surely, 2^12398384 is an apocalyptic number.

It is an amenable number.

12398384 is a deficient number, since it is larger than the sum of its proper divisors (11678200).

12398384 is an equidigital number, since it uses as much as digits as its factorization.

12398384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1766 counting only the distinct ones).

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

The square root of 12398384 is about 3521.1339082744. The cubic root of 12398384 is about 231.4488502418.

The spelling of 12398384 in words is "twelve million, three hundred ninety-eight thousand, three hundred eighty-four".