11147918 has 8 divisors (see below), whose sum is σ = 16822512. Its totient is φ = 5540416.

The previous prime is 11147911. The next prime is 11147921. The reversal of 11147918 is 81974111.

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 (11147911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16355 + ... + 17022.

It is an arithmetic number, because the mean of its divisors is an integer number (2102814).

Almost surely, 2^11147918 is an apocalyptic number.

11147918 is a deficient number, since it is larger than the sum of its proper divisors (5674594).

11147918 is a wasteful number, since it uses less digits than its factorization.

11147918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33546.

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

The square root of 11147918 is about 3338.8498019528. The cubic root of 11147918 is about 223.3904425621.

The spelling of 11147918 in words is "eleven million, one hundred forty-seven thousand, nine hundred eighteen".