11142786 has 32 divisors (see below), whose sum is σ = 24416640. Its totient is φ = 3374336.

The previous prime is 11142767. The next prime is 11142821. The reversal of 11142786 is 68724111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1075 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (763020).

Almost surely, 2^11142786 is an apocalyptic number.

11142786 is an abundant number, since it is smaller than the sum of its proper divisors (13273854).

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

11142786 is a wasteful number, since it uses less digits than its factorization.

11142786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818.

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

The square root of 11142786 is about 3338.0811853518. The cubic root of 11142786 is about 223.3561576633.

Adding to 11142786 its reverse (68724111), we get a palindrome (79866897).

The spelling of 11142786 in words is "eleven million, one hundred forty-two thousand, seven hundred eighty-six".