11286140 has 12 divisors (see below), whose sum is σ = 23700936. Its totient is φ = 4514448.

The previous prime is 11286137. The next prime is 11286173. The reversal of 11286140 is 4168211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282134 + ... + 282173.

It is an arithmetic number, because the mean of its divisors is an integer number (1975078).

Almost surely, 2^11286140 is an apocalyptic number.

11286140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11286140 is an abundant number, since it is smaller than the sum of its proper divisors (12414796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11286140 is a wasteful number, since it uses less digits than its factorization.

11286140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564316 (or 564314 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 11286140 is about 3359.4850795918. The cubic root of 11286140 is about 224.3099185862.

The spelling of 11286140 in words is "eleven million, two hundred eighty-six thousand, one hundred forty".