12030198 has 8 divisors (see below), whose sum is σ = 24060408. Its totient is φ = 4010064.

The previous prime is 12030197. The next prime is 12030209. The reversal of 12030198 is 89103021.

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

12030198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030197) 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, 1002511 + ... + 1002522.

It is an arithmetic number, because the mean of its divisors is an integer number (3007551).

Almost surely, 2^12030198 is an apocalyptic number.

12030198 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.

12030198 is a wasteful number, since it uses less digits than its factorization.

12030198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005038.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 12030198 is about 3468.4575822691. The cubic root of 12030198 is about 229.1347325346.

The spelling of 12030198 in words is "twelve million, thirty thousand, one hundred ninety-eight".