12189760 has 56 divisors (see below), whose sum is σ = 31674816. Its totient is φ = 4431360.

The previous prime is 12189757. The next prime is 12189781. The reversal of 12189760 is 6798121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789 + ... + 5251.

Almost surely, 2^12189760 is an apocalyptic number.

12189760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12189760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15837408).

12189760 is an abundant number, since it is smaller than the sum of its proper divisors (19485056).

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

12189760 is a wasteful number, since it uses less digits than its factorization.

12189760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491 (or 3481 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 12189760 is about 3491.3836798610. The cubic root of 12189760 is about 230.1433259159.

The spelling of 12189760 in words is "twelve million, one hundred eighty-nine thousand, seven hundred sixty".