12285198 has 12 divisors (see below), whose sum is σ = 26617968. Its totient is φ = 4095060.

The previous prime is 12285193. The next prime is 12285239. The reversal of 12285198 is 89158221.

It is a super-3 number, since 3×12285198³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12285193) 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, 341238 + ... + 341273.

It is an arithmetic number, because the mean of its divisors is an integer number (2218164).

Almost surely, 2^12285198 is an apocalyptic number.

12285198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12285198 is an abundant number, since it is smaller than the sum of its proper divisors (14332770).

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

12285198 is a wasteful number, since it uses less digits than its factorization.

12285198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682519 (or 682516 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 12285198 is about 3505.0246789431. The cubic root of 12285198 is about 230.7423900578.

The spelling of 12285198 in words is "twelve million, two hundred eighty-five thousand, one hundred ninety-eight".