12189002 has 8 divisors (see below), whose sum is σ = 20895456. Its totient is φ = 5223852.

The previous prime is 12188999. The next prime is 12189007. The reversal of 12189002 is 20098121.

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

It is not an unprimeable number, because it can be changed into a prime (12189007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435308 + ... + 435335.

It is an arithmetic number, because the mean of its divisors is an integer number (2611932).

Almost surely, 2^12189002 is an apocalyptic number.

12189002 is a deficient number, since it is larger than the sum of its proper divisors (8706454).

12189002 is an equidigital number, since it uses as much as digits as its factorization.

12189002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870652.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 12189002 is about 3491.2751252229. The cubic root of 12189002 is about 230.1385554567.

The spelling of 12189002 in words is "twelve million, one hundred eighty-nine thousand, two".