12306843 has 8 divisors (see below), whose sum is σ = 18232400. Its totient is φ = 8204544.

The previous prime is 12306839. The next prime is 12306859. The reversal of 12306843 is 34860321.

It is a happy number.

It is not a de Polignac number, because 12306843 - 2² = 12306839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 455809 = 12306843 / (1 + 2 + 3 + 0 + 6 + 8 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12306803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227878 + ... + 227931.

It is an arithmetic number, because the mean of its divisors is an integer number (2279050).

Almost surely, 2^12306843 is an apocalyptic number.

12306843 is a deficient number, since it is larger than the sum of its proper divisors (5925557).

12306843 is an equidigital number, since it uses as much as digits as its factorization.

12306843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455818 (or 455812 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12306843 is about 3508.1110301699. Note that the first 3 decimals coincide. The cubic root of 12306843 is about 230.8778237376.

The spelling of 12306843 in words is "twelve million, three hundred six thousand, eight hundred forty-three".