12165195 has 16 divisors (see below), whose sum is σ = 22245120. Its totient is φ = 5561184.

The previous prime is 12165161. The next prime is 12165199. The reversal of 12165195 is 59156121.

It is not a de Polignac number, because 12165195 - 2⁹ = 12164683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12165199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57825 + ... + 58034.

It is an arithmetic number, because the mean of its divisors is an integer number (1390320).

Almost surely, 2^12165195 is an apocalyptic number.

12165195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12165195 is a deficient number, since it is larger than the sum of its proper divisors (10079925).

12165195 is a wasteful number, since it uses less digits than its factorization.

12165195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115874.

The product of its digits is 2700, while the sum is 30.

The square root of 12165195 is about 3487.8639595030. The cubic root of 12165195 is about 229.9886257765.

The spelling of 12165195 in words is "twelve million, one hundred sixty-five thousand, one hundred ninety-five".