11271198 has 32 divisors (see below), whose sum is σ = 23506560. Its totient is φ = 3598560.

The previous prime is 11271193. The next prime is 11271223. The reversal of 11271198 is 89117211.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11271193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36561 + ... + 36867.

It is an arithmetic number, because the mean of its divisors is an integer number (734580).

Almost surely, 2^11271198 is an apocalyptic number.

11271198 is an abundant number, since it is smaller than the sum of its proper divisors (12235362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11271198 is a wasteful number, since it uses less digits than its factorization.

11271198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its digits is 1008, while the sum is 30.

The square root of 11271198 is about 3357.2604903403. The cubic root of 11271198 is about 224.2108850519.

The spelling of 11271198 in words is "eleven million, two hundred seventy-one thousand, one hundred ninety-eight".