12189522 has 8 divisors (see below), whose sum is σ = 24379056. Its totient is φ = 4063172.

The previous prime is 12189521. The next prime is 12189533. The reversal of 12189522 is 22598121.

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

12189522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12189522.

It is not an unprimeable number, because it can be changed into a prime (12189521) 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, 1015788 + ... + 1015799.

It is an arithmetic number, because the mean of its divisors is an integer number (3047382).

Almost surely, 2^12189522 is an apocalyptic number.

12189522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12189522 is a wasteful number, since it uses less digits than its factorization.

12189522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031592.

The product of its digits is 2880, while the sum is 30.

The square root of 12189522 is about 3491.3495957867. The cubic root of 12189522 is about 230.1418280886.

The spelling of 12189522 in words is "twelve million, one hundred eighty-nine thousand, five hundred twenty-two".