11146287 has 8 divisors (see below), whose sum is σ = 15263536. Its totient is φ = 7229952.

The previous prime is 11146279. The next prime is 11146307. The reversal of 11146287 is 78264111.

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

It is not a de Polignac number, because 11146287 - 2³ = 11146279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11146277) 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 7 ways as a sum of consecutive naturals, for example, 50098 + ... + 50319.

It is an arithmetic number, because the mean of its divisors is an integer number (1907942).

Almost surely, 2^11146287 is an apocalyptic number.

11146287 is a deficient number, since it is larger than the sum of its proper divisors (4117249).

11146287 is a wasteful number, since it uses less digits than its factorization.

11146287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100457.

The product of its digits is 2688, while the sum is 30.

The square root of 11146287 is about 3338.6055472308. The cubic root of 11146287 is about 223.3795476254.

The spelling of 11146287 in words is "eleven million, one hundred forty-six thousand, two hundred eighty-seven".