11998193 has 4 divisors (see below), whose sum is σ = 12224628. Its totient is φ = 11771760.

The previous prime is 11998187. The next prime is 11998201. The reversal of 11998193 is 39189911.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7011904 + 4986289 = 2648^2 + 2233^2 .

It is a cyclic number.

It is not a de Polignac number, because 11998193 - 2¹² = 11994097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11998193.

It is not an unprimeable number, because it can be changed into a prime (11998123) 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, 113138 + ... + 113243.

It is an arithmetic number, because the mean of its divisors is an integer number (3056157).

Almost surely, 2^11998193 is an apocalyptic number.

It is an amenable number.

11998193 is a deficient number, since it is larger than the sum of its proper divisors (226435).

11998193 is an equidigital number, since it uses as much as digits as its factorization.

11998193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226434.

The product of its digits is 17496, while the sum is 41.

The square root of 11998193 is about 3463.8407873342. The cubic root of 11998193 is about 228.9313562747.

The spelling of 11998193 in words is "eleven million, nine hundred ninety-eight thousand, one hundred ninety-three".