12221185 has 8 divisors (see below), whose sum is σ = 14763456. Its totient is φ = 9711600.

The previous prime is 12221179. The next prime is 12221191. The reversal of 12221185 is 58112221.

12221185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12221179) and next prime (12221191).

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

It is not a de Polignac number, because 12221185 - 2³ = 12221177 is a prime.

It is a Duffinian number.

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, 7339 + ... + 8848.

It is an arithmetic number, because the mean of its divisors is an integer number (1845432).

Almost surely, 2^12221185 is an apocalyptic number.

It is an amenable number.

12221185 is a deficient number, since it is larger than the sum of its proper divisors (2542271).

12221185 is a wasteful number, since it uses less digits than its factorization.

12221185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16343.

The product of its digits is 320, while the sum is 22.

The square root of 12221185 is about 3495.8811478653. The cubic root of 12221185 is about 230.3409247755.

The spelling of 12221185 in words is "twelve million, two hundred twenty-one thousand, one hundred eighty-five".