12205585 has 8 divisors (see below), whose sum is σ = 16739136. Its totient is φ = 8369520.

The previous prime is 12205573. The next prime is 12205601. The reversal of 12205585 is 58550221.

12205585 is digitally balanced in base 2 and base 8, because in such bases 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 12205585 - 2⁵ = 12205553 is a prime.

It is a Duffinian number.

12205585 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174331 + ... + 174400.

It is an arithmetic number, because the mean of its divisors is an integer number (2092392).

Almost surely, 2^12205585 is an apocalyptic number.

It is an amenable number.

12205585 is a deficient number, since it is larger than the sum of its proper divisors (4533551).

12205585 is an equidigital number, since it uses as much as digits as its factorization.

12205585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348743.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 12205585 is about 3493.6492382608. The cubic root of 12205585 is about 230.2428751337.

The spelling of 12205585 in words is "twelve million, two hundred five thousand, five hundred eighty-five".