12218098 has 16 divisors (see below), whose sum is σ = 18779040. Its totient is φ = 5960416.

The previous prime is 12218081. The next prime is 12218099. The reversal of 12218098 is 89081221.

It is a happy number.

It is a super-3 number, since 3×12218098³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12218099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14361 + ... + 15187.

It is an arithmetic number, because the mean of its divisors is an integer number (1173690).

Almost surely, 2^12218098 is an apocalyptic number.

12218098 is a deficient number, since it is larger than the sum of its proper divisors (6560942).

12218098 is an equidigital number, since it uses as much as digits as its factorization.

12218098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 12218098 is about 3495.4396003936. The cubic root of 12218098 is about 230.3215288846.

The spelling of 12218098 in words is "twelve million, two hundred eighteen thousand, ninety-eight".