12195369 has 12 divisors (see below), whose sum is σ = 18184192. Its totient is φ = 7867800.

The previous prime is 12195361. The next prime is 12195371. The reversal of 12195369 is 96359121.

It is not a de Polignac number, because 12195369 - 2³ = 12195361 is a prime.

It is a super-2 number, since 2×12195369² = 297454050092322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12195361) 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 11 ways as a sum of consecutive naturals, for example, 21577 + ... + 22134.

Almost surely, 2^12195369 is an apocalyptic number.

It is an amenable number.

12195369 is a deficient number, since it is larger than the sum of its proper divisors (5988823).

12195369 is a wasteful number, since it uses less digits than its factorization.

12195369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43748 (or 43745 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 12195369 is about 3492.1868506711. The cubic root of 12195369 is about 230.1786199105.

The spelling of 12195369 in words is "twelve million, one hundred ninety-five thousand, three hundred sixty-nine".