11170287 has 12 divisors (see below), whose sum is σ = 16171480. Its totient is φ = 7429968.

The previous prime is 11170283. The next prime is 11170303. The reversal of 11170287 is 78207111.

It is not a de Polignac number, because 11170287 - 2² = 11170283 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 11170287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11170283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3789 + ... + 6057.

Almost surely, 2^11170287 is an apocalyptic number.

11170287 is a deficient number, since it is larger than the sum of its proper divisors (5001193).

11170287 is a wasteful number, since it uses less digits than its factorization.

11170287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 11170287 is about 3342.1979295069. The cubic root of 11170287 is about 223.5397584030.

Adding to 11170287 its reverse (78207111), we get a palindrome (89377398).

The spelling of 11170287 in words is "eleven million, one hundred seventy thousand, two hundred eighty-seven".