11983198 has 16 divisors (see below), whose sum is σ = 19206720. Its totient is φ = 5587456.

The previous prime is 11983189. The next prime is 11983201. The reversal of 11983198 is 89138911.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11983198.

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, 2283 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (1200420).

Almost surely, 2^11983198 is an apocalyptic number.

11983198 is a deficient number, since it is larger than the sum of its proper divisors (7223522).

11983198 is a wasteful number, since it uses less digits than its factorization.

11983198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its digits is 15552, while the sum is 40.

The square root of 11983198 is about 3461.6756058302. The cubic root of 11983198 is about 228.8359458863.

The spelling of 11983198 in words is "eleven million, nine hundred eighty-three thousand, one hundred ninety-eight".