12283871 has 4 divisors (see below), whose sum is σ = 12347712. Its totient is φ = 12220032.

The previous prime is 12283867. The next prime is 12283897. The reversal of 12283871 is 17838221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12283871 - 2² = 12283867 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 (12283811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31631 + ... + 32016.

It is an arithmetic number, because the mean of its divisors is an integer number (3086928).

Almost surely, 2^12283871 is an apocalyptic number.

12283871 is a deficient number, since it is larger than the sum of its proper divisors (63841).

12283871 is an equidigital number, since it uses as much as digits as its factorization.

12283871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63840.

The product of its digits is 5376, while the sum is 32.

The square root of 12283871 is about 3504.8353741652. The cubic root of 12283871 is about 230.7340817891.

The spelling of 12283871 in words is "twelve million, two hundred eighty-three thousand, eight hundred seventy-one".