11147289 has 8 divisors (see below), whose sum is σ = 14929440. Its totient is φ = 7398336.

The previous prime is 11147287. The next prime is 11147299. The reversal of 11147289 is 98274111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11147289 - 2¹ = 11147287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11147287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7504 + ... + 8865.

It is an arithmetic number, because the mean of its divisors is an integer number (1866180).

Almost surely, 2^11147289 is an apocalyptic number.

It is an amenable number.

11147289 is a deficient number, since it is larger than the sum of its proper divisors (3782151).

11147289 is a wasteful number, since it uses less digits than its factorization.

11147289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16599.

The product of its digits is 4032, while the sum is 33.

The square root of 11147289 is about 3338.7556065097. The cubic root of 11147289 is about 223.3862410233.

The spelling of 11147289 in words is "eleven million, one hundred forty-seven thousand, two hundred eighty-nine".