12604209 has 8 divisors (see below), whose sum is σ = 16824192. Its totient is φ = 8393520.

The previous prime is 12604199. The next prime is 12604211. The reversal of 12604209 is 90240621.

12604209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12604209 - 2⁹ = 12603697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12604219) 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, 1987 + ... + 5399.

It is an arithmetic number, because the mean of its divisors is an integer number (2103024).

Almost surely, 2^12604209 is an apocalyptic number.

It is an amenable number.

12604209 is a deficient number, since it is larger than the sum of its proper divisors (4219983).

12604209 is a wasteful number, since it uses less digits than its factorization.

12604209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12604209 is about 3550.2406960655. The cubic root of 12604209 is about 232.7225848508.

The spelling of 12604209 in words is "twelve million, six hundred four thousand, two hundred nine".