12384397 has 4 divisors (see below), whose sum is σ = 12392320. Its totient is φ = 12376476.

The previous prime is 12384391. The next prime is 12384401. The reversal of 12384397 is 79348321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12384397 - 2⁷ = 12384269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12384391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747 + ... + 5032.

It is an arithmetic number, because the mean of its divisors is an integer number (3098080).

Almost surely, 2^12384397 is an apocalyptic number.

It is an amenable number.

12384397 is a deficient number, since it is larger than the sum of its proper divisors (7923).

12384397 is an equidigital number, since it uses as much as digits as its factorization.

12384397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7922.

The product of its digits is 36288, while the sum is 37.

The square root of 12384397 is about 3519.1471978307. The cubic root of 12384397 is about 231.3617826264.

The spelling of 12384397 in words is "twelve million, three hundred eighty-four thousand, three hundred ninety-seven".