12347339 has 4 divisors (see below), whose sum is σ = 12361560. Its totient is φ = 12333120.

The previous prime is 12347333. The next prime is 12347341. The reversal of 12347339 is 93374321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12347339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12347333) 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, 5717 + ... + 7574.

It is an arithmetic number, because the mean of its divisors is an integer number (3090390).

Almost surely, 2^12347339 is an apocalyptic number.

12347339 is a deficient number, since it is larger than the sum of its proper divisors (14221).

12347339 is an equidigital number, since it uses as much as digits as its factorization.

12347339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14220.

The product of its digits is 13608, while the sum is 32.

The square root of 12347339 is about 3513.8780570760. The cubic root of 12347339 is about 231.1307830597.

The spelling of 12347339 in words is "twelve million, three hundred forty-seven thousand, three hundred thirty-nine".