12198380 has 48 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 4517568.

The previous prime is 12198379. The next prime is 12198383. The reversal of 12198380 is 8389121.

12198380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12198383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17519 + ... + 18201.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^12198380 is an apocalyptic number.

12198380 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 12198380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13789440).

12198380 is an abundant number, since it is smaller than the sum of its proper divisors (15380500).

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

12198380 is a wasteful number, since it uses less digits than its factorization.

12198380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 12198380 is about 3492.6179292903. The cubic root of 12198380 is about 230.1975618218.

The spelling of 12198380 in words is "twelve million, one hundred ninety-eight thousand, three hundred eighty".