12195404 has 12 divisors (see below), whose sum is σ = 22983744. Its totient is φ = 5628624.

The previous prime is 12195401. The next prime is 12195413. The reversal of 12195404 is 40459121.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (12195401) 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 3 ways as a sum of consecutive naturals, for example, 117212 + ... + 117315.

It is an arithmetic number, because the mean of its divisors is an integer number (1915312).

Almost surely, 2^12195404 is an apocalyptic number.

It is an amenable number.

12195404 is a deficient number, since it is larger than the sum of its proper divisors (10788340).

12195404 is a wasteful number, since it uses less digits than its factorization.

12195404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234544 (or 234542 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12195404 is about 3492.1918618541. The cubic root of 12195404 is about 230.1788401101.

The spelling of 12195404 in words is "twelve million, one hundred ninety-five thousand, four hundred four".