11139284 has 24 divisors (see below), whose sum is σ = 22229928. Its totient is φ = 4838400.

The previous prime is 11139281. The next prime is 11139287. The reversal of 11139284 is 48293111.

It is an interprime number because it is at equal distance from previous prime (11139281) and next prime (11139287).

It can be written as a sum of positive squares in 4 ways, for example, as 770884 + 10368400 = 878^2 + 3220^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11139281) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5417 + ... + 7184.

It is an arithmetic number, because the mean of its divisors is an integer number (926247).

Almost surely, 2^11139284 is an apocalyptic number.

It is an amenable number.

11139284 is a deficient number, since it is larger than the sum of its proper divisors (11090644).

11139284 is a wasteful number, since it uses less digits than its factorization.

11139284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12635 (or 12633 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The square root of 11139284 is about 3337.5565912805. The cubic root of 11139284 is about 223.3327561184.

The spelling of 11139284 in words is "eleven million, one hundred thirty-nine thousand, two hundred eighty-four".