12195116 has 12 divisors (see below), whose sum is σ = 21466032. Its totient is φ = 6061968.

The previous prime is 12195077. The next prime is 12195149. The reversal of 12195116 is 61159121.

12195116 = T₇₃ + T₇₄ + ... + T₄₁₈.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8120 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (1788836).

Almost surely, 2^12195116 is an apocalyptic number.

It is an amenable number.

12195116 is a deficient number, since it is larger than the sum of its proper divisors (9270916).

12195116 is a wasteful number, since it uses less digits than its factorization.

12195116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17800 (or 17798 counting only the distinct ones).

The product of its digits is 540, while the sum is 26.

The square root of 12195116 is about 3492.1506267628. The cubic root of 12195116 is about 230.1770281699.

The spelling of 12195116 in words is "twelve million, one hundred ninety-five thousand, one hundred sixteen".