11138582 has 32 divisors (see below), whose sum is σ = 21000000. Its totient is φ = 4402944.

The previous prime is 11138573. The next prime is 11138599. The reversal of 11138582 is 28583111.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 8294 + ... + 9542.

It is an arithmetic number, because the mean of its divisors is an integer number (656250).

Almost surely, 2^11138582 is an apocalyptic number.

11138582 is a deficient number, since it is larger than the sum of its proper divisors (9861418).

11138582 is a wasteful number, since it uses less digits than its factorization.

11138582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1271 counting only the distinct ones).

The product of its digits is 1920, while the sum is 29.

The square root of 11138582 is about 3337.4514228675. The cubic root of 11138582 is about 223.3280645276.

The spelling of 11138582 in words is "eleven million, one hundred thirty-eight thousand, five hundred eighty-two".