11968198 has 8 divisors (see below), whose sum is σ = 19584360. Its totient is φ = 5440080.

The previous prime is 11968193. The next prime is 11968207. The reversal of 11968198 is 89186911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11968193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271983 + ... + 272026.

It is an arithmetic number, because the mean of its divisors is an integer number (2448045).

Almost surely, 2^11968198 is an apocalyptic number.

11968198 is a deficient number, since it is larger than the sum of its proper divisors (7616162).

11968198 is a wasteful number, since it uses less digits than its factorization.

11968198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544022.

The product of its digits is 31104, while the sum is 43.

The square root of 11968198 is about 3459.5083465718. The cubic root of 11968198 is about 228.7404240171.

The spelling of 11968198 in words is "eleven million, nine hundred sixty-eight thousand, one hundred ninety-eight".