11198147 has 4 divisors (see below), whose sum is σ = 11584320. Its totient is φ = 10811976.

The previous prime is 11198129. The next prime is 11198153. The reversal of 11198147 is 74189111.

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

It is a cyclic number.

It is not a de Polignac number, because 11198147 - 2²⁰ = 10149571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11128147) 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, 193043 + ... + 193100.

It is an arithmetic number, because the mean of its divisors is an integer number (2896080).

Almost surely, 2^11198147 is an apocalyptic number.

11198147 is a deficient number, since it is larger than the sum of its proper divisors (386173).

11198147 is an equidigital number, since it uses as much as digits as its factorization.

11198147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386172.

The product of its digits is 2016, while the sum is 32.

The square root of 11198147 is about 3346.3632498580. The cubic root of 11198147 is about 223.7254488631.

The spelling of 11198147 in words is "eleven million, one hundred ninety-eight thousand, one hundred forty-seven".