12847339 has 4 divisors (see below), whose sum is σ = 12872520. Its totient is φ = 12822160.

The previous prime is 12847337. The next prime is 12847349. The reversal of 12847339 is 93374821.

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 12847339 - 2¹ = 12847337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12847298 and 12847307.

It is not an unprimeable number, because it can be changed into a prime (12847333) 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, 11809 + ... + 12850.

It is an arithmetic number, because the mean of its divisors is an integer number (3218130).

Almost surely, 2^12847339 is an apocalyptic number.

12847339 is a deficient number, since it is larger than the sum of its proper divisors (25181).

12847339 is an equidigital number, since it uses as much as digits as its factorization.

12847339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25180.

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

The square root of 12847339 is about 3584.3184847332. The cubic root of 12847339 is about 234.2094394384.

The spelling of 12847339 in words is "twelve million, eight hundred forty-seven thousand, three hundred thirty-nine".