12834309 has 4 divisors (see below), whose sum is σ = 17112416. Its totient is φ = 8556204.

The previous prime is 12834293. The next prime is 12834313. The reversal of 12834309 is 90343821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12834309 - 2⁴ = 12834293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12834359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2139049 + ... + 2139054.

It is an arithmetic number, because the mean of its divisors is an integer number (4278104).

Almost surely, 2^12834309 is an apocalyptic number.

It is an amenable number.

12834309 is a deficient number, since it is larger than the sum of its proper divisors (4278107).

12834309 is an equidigital number, since it uses as much as digits as its factorization.

12834309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278106.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 12834309 is about 3582.5003838102. The cubic root of 12834309 is about 234.1302328600.

The spelling of 12834309 in words is "twelve million, eight hundred thirty-four thousand, three hundred nine".