12195159 has 8 divisors (see below), whose sum is σ = 16346112. Its totient is φ = 8087160.

The previous prime is 12195149. The next prime is 12195179. The reversal of 12195159 is 95159121.

It is a happy number.

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

It is not a de Polignac number, because 12195159 - 2⁹ = 12194647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12195149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10069 + ... + 11214.

It is an arithmetic number, because the mean of its divisors is an integer number (2043264).

Almost surely, 2^12195159 is an apocalyptic number.

12195159 is a deficient number, since it is larger than the sum of its proper divisors (4150953).

12195159 is a wasteful number, since it uses less digits than its factorization.

12195159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21477.

The product of its digits is 4050, while the sum is 33.

The square root of 12195159 is about 3492.1567834220. The cubic root of 12195159 is about 230.1772987044.

The spelling of 12195159 in words is "twelve million, one hundred ninety-five thousand, one hundred fifty-nine".