12834209 has 4 divisors (see below), whose sum is σ = 12847104. Its totient is φ = 12821316.

The previous prime is 12834197. The next prime is 12834221. The reversal of 12834209 is 90243821.

12834209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90243821 = 31 ⋅2911091.

It is an interprime number because it is at equal distance from previous prime (12834197) and next prime (12834221).

It is a cyclic number.

It is not a de Polignac number, because 12834209 - 2⁴ = 12834193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12834229) 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, 4817 + ... + 6990.

It is an arithmetic number, because the mean of its divisors is an integer number (3211776).

Almost surely, 2^12834209 is an apocalyptic number.

It is an amenable number.

12834209 is a deficient number, since it is larger than the sum of its proper divisors (12895).

12834209 is a wasteful number, since it uses less digits than its factorization.

12834209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12894.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12834209 is about 3582.4864270504. The cubic root of 12834209 is about 234.1296247742.

The spelling of 12834209 in words is "twelve million, eight hundred thirty-four thousand, two hundred nine".