12182198 has 16 divisors (see below), whose sum is σ = 20949504. Its totient is φ = 5204520.

The previous prime is 12182189. The next prime is 12182243. The reversal of 12182198 is 89128121.

It is a super-2 number, since 2×12182198² = 296811896222408, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3953 + ... + 6323.

It is an arithmetic number, because the mean of its divisors is an integer number (1309344).

Almost surely, 2^12182198 is an apocalyptic number.

12182198 is a deficient number, since it is larger than the sum of its proper divisors (8767306).

12182198 is a wasteful number, since it uses less digits than its factorization.

12182198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747.

The product of its digits is 2304, while the sum is 32.

The square root of 12182198 is about 3490.3005601237. The cubic root of 12182198 is about 230.0957257490.

The spelling of 12182198 in words is "twelve million, one hundred eighty-two thousand, one hundred ninety-eight".