12829209 has 8 divisors (see below), whose sum is σ = 17129952. Its totient is φ = 8540640.

The previous prime is 12829207. The next prime is 12829211. The reversal of 12829209 is 90292821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12829207) and next prime (12829211).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12829209 - 2¹ = 12829207 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12829209.

It is not an unprimeable number, because it can be changed into a prime (12829207) 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, 204 + ... + 5069.

It is an arithmetic number, because the mean of its divisors is an integer number (2141244).

Almost surely, 2^12829209 is an apocalyptic number.

It is an amenable number.

12829209 is a deficient number, since it is larger than the sum of its proper divisors (4300743).

12829209 is an equidigital number, since it uses as much as digits as its factorization.

12829209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6087.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 12829209 is about 3581.7885197203. The cubic root of 12829209 is about 234.0992164548.

The spelling of 12829209 in words is "twelve million, eight hundred twenty-nine thousand, two hundred nine".