11819198 has 4 divisors (see below), whose sum is σ = 17728800. Its totient is φ = 5909598.

The previous prime is 11819189. The next prime is 11819237. The reversal of 11819198 is 89191811.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2954798 + ... + 2954801.

It is an arithmetic number, because the mean of its divisors is an integer number (4432200).

Almost surely, 2^11819198 is an apocalyptic number.

11819198 is a deficient number, since it is larger than the sum of its proper divisors (5909602).

11819198 is an equidigital number, since it uses as much as digits as its factorization.

11819198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909601.

The product of its digits is 5184, while the sum is 38.

The square root of 11819198 is about 3437.9060487454. The cubic root of 11819198 is about 227.7872104142.

The spelling of 11819198 in words is "eleven million, eight hundred nineteen thousand, one hundred ninety-eight".