12198852 has 18 divisors (see below), whose sum is σ = 30836078. Its totient is φ = 4066272.

The previous prime is 12198847. The next prime is 12198859. The reversal of 12198852 is 25889121.

It can be written as a sum of positive squares in only one way, i.e., 12152196 + 46656 = 3486^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 338857 = 12198852 / (1 + 2 + 1 + 9 + 8 + 8 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (12198859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169393 + ... + 169464.

Almost surely, 2^12198852 is an apocalyptic number.

12198852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12198852 is an abundant number, since it is smaller than the sum of its proper divisors (18637226).

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

12198852 is a wasteful number, since it uses less digits than its factorization.

12198852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338867 (or 338862 counting only the distinct ones).

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

The square root of 12198852 is about 3492.6854997265. The cubic root of 12198852 is about 230.2005308458.

The spelling of 12198852 in words is "twelve million, one hundred ninety-eight thousand, eight hundred fifty-two".