12194005 has 16 divisors (see below), whose sum is σ = 15234048. Its totient is φ = 9360000.

The previous prime is 12194003. The next prime is 12194027. The reversal of 12194005 is 50049121.

It is not a de Polignac number, because 12194005 - 2¹ = 12194003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12194003) 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 15 ways as a sum of consecutive naturals, for example, 23145 + ... + 23665.

It is an arithmetic number, because the mean of its divisors is an integer number (952128).

Almost surely, 2^12194005 is an apocalyptic number.

It is an amenable number.

12194005 is a deficient number, since it is larger than the sum of its proper divisors (3040043).

12194005 is a wasteful number, since it uses less digits than its factorization.

12194005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12194005 is about 3491.9915521089. The cubic root of 12194005 is about 230.1700380917.

The spelling of 12194005 in words is "twelve million, one hundred ninety-four thousand, five".