12189404 has 6 divisors (see below), whose sum is σ = 21331464. Its totient is φ = 6094700.

The previous prime is 12189371. The next prime is 12189439. The reversal of 12189404 is 40498121.

It is a super-3 number, since 3×12189404³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1523672 + ... + 1523679.

It is an arithmetic number, because the mean of its divisors is an integer number (3555244).

Almost surely, 2^12189404 is an apocalyptic number.

It is an amenable number.

12189404 is a deficient number, since it is larger than the sum of its proper divisors (9142060).

12189404 is a wasteful number, since it uses less digits than its factorization.

12189404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047355 (or 3047353 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 12189404 is about 3491.3326968366. The cubic root of 12189404 is about 230.1410854610.

The spelling of 12189404 in words is "twelve million, one hundred eighty-nine thousand, four hundred four".