12384271 has 4 divisors (see below), whose sum is σ = 12391344. Its totient is φ = 12377200.

The previous prime is 12384269. The next prime is 12384289. The reversal of 12384271 is 17248321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17248321 = 23 ⋅749927.

It is a cyclic number.

It is not a de Polignac number, because 12384271 - 2¹ = 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 (12384241) 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, 1251 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (3097836).

Almost surely, 2^12384271 is an apocalyptic number.

12384271 is a deficient number, since it is larger than the sum of its proper divisors (7073).

12384271 is an equidigital number, since it uses as much as digits as its factorization.

12384271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072.

The product of its digits is 2688, while the sum is 28.

The square root of 12384271 is about 3519.1292957207. The cubic root of 12384271 is about 231.3609979917.

The spelling of 12384271 in words is "twelve million, three hundred eighty-four thousand, two hundred seventy-one".