11512198 has 8 divisors (see below), whose sum is σ = 17561160. Its totient is φ = 5658480.

The previous prime is 11512177. The next prime is 11512199. The reversal of 11512198 is 89121511.

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 (11512199) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 48663 + ... + 48898.

It is an arithmetic number, because the mean of its divisors is an integer number (2195145).

Almost surely, 2^11512198 is an apocalyptic number.

11512198 is a deficient number, since it is larger than the sum of its proper divisors (6048962).

11512198 is an equidigital number, since it uses as much as digits as its factorization.

11512198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97622.

The product of its digits is 720, while the sum is 28.

The square root of 11512198 is about 3392.9630118821. The cubic root of 11512198 is about 225.7976495621.

The spelling of 11512198 in words is "eleven million, five hundred twelve thousand, one hundred ninety-eight".