12185585 has 8 divisors (see below), whose sum is σ = 14642856. Its totient is φ = 9735040.

The previous prime is 12185567. The next prime is 12185603. The reversal of 12185585 is 58558121.

It is an interprime number because it is at equal distance from previous prime (12185567) and next prime (12185603).

It can be written as a sum of positive squares in 4 ways, for example, as 1739761 + 10445824 = 1319^2 + 3232^2 .

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

It is not a de Polignac number, because 12185585 - 2⁶ = 12185521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4157 + ... + 6453.

It is an arithmetic number, because the mean of its divisors is an integer number (1830357).

Almost surely, 2^12185585 is an apocalyptic number.

It is an amenable number.

12185585 is a deficient number, since it is larger than the sum of its proper divisors (2457271).

12185585 is a wasteful number, since it uses less digits than its factorization.

12185585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363.

The product of its digits is 16000, while the sum is 35.

The square root of 12185585 is about 3490.7857281707. The cubic root of 12185585 is about 230.1170481740.

The spelling of 12185585 in words is "twelve million, one hundred eighty-five thousand, five hundred eighty-five".