12189006 has 12 divisors (see below), whose sum is σ = 26409552. Its totient is φ = 4062996.

The previous prime is 12188999. The next prime is 12189007. The reversal of 12189006 is 60098121.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 338566 + ... + 338601.

It is an arithmetic number, because the mean of its divisors is an integer number (2200796).

Almost surely, 2^12189006 is an apocalyptic number.

12189006 is an abundant number, since it is smaller than the sum of its proper divisors (14220546).

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

12189006 is a wasteful number, since it uses less digits than its factorization.

12189006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677175 (or 677172 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 12189006 is about 3491.2756980794. The cubic root of 12189006 is about 230.1385806312.

It can be divided in two parts, 1218900 and 6, that multiplied together give a triangular number (7313400 = T₃₈₂₄).

The spelling of 12189006 in words is "twelve million, one hundred eighty-nine thousand, six".