12347859 has 4 divisors (see below), whose sum is σ = 16463816. Its totient is φ = 8231904.

The previous prime is 12347857. The next prime is 12347897. The reversal of 12347859 is 95874321.

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

It is not a de Polignac number, because 12347859 - 2¹ = 12347857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12347851) 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, 2057974 + ... + 2057979.

It is an arithmetic number, because the mean of its divisors is an integer number (4115954).

Almost surely, 2^12347859 is an apocalyptic number.

12347859 is a deficient number, since it is larger than the sum of its proper divisors (4115957).

12347859 is an equidigital number, since it uses as much as digits as its factorization.

12347859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115956.

The product of its digits is 60480, while the sum is 39.

The square root of 12347859 is about 3513.9520486199. The cubic root of 12347859 is about 231.1340276541.

The spelling of 12347859 in words is "twelve million, three hundred forty-seven thousand, eight hundred fifty-nine".