12195285 has 16 divisors (see below), whose sum is σ = 19616256. Its totient is φ = 6469568.

The previous prime is 12195269. The next prime is 12195301. The reversal of 12195285 is 58259121.

It is an interprime number because it is at equal distance from previous prime (12195269) and next prime (12195301).

It is a cyclic number.

It is not a de Polignac number, because 12195285 - 2⁴ = 12195269 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (1226016).

Almost surely, 2^12195285 is an apocalyptic number.

12195285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12195285 is a deficient number, since it is larger than the sum of its proper divisors (7420971).

12195285 is a wasteful number, since it uses less digits than its factorization.

12195285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its digits is 7200, while the sum is 33.

The square root of 12195285 is about 3492.1748238025. The cubic root of 12195285 is about 230.1780914299.

The spelling of 12195285 in words is "twelve million, one hundred ninety-five thousand, two hundred eighty-five".