11139237 has 12 divisors (see below), whose sum is σ = 16294720. Its totient is φ = 7331688.

The previous prime is 11139229. The next prime is 11139251. The reversal of 11139237 is 73293111.

It is not a de Polignac number, because 11139237 - 2³ = 11139229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11139237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11139217) 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 11 ways as a sum of consecutive naturals, for example, 7123 + ... + 8544.

Almost surely, 2^11139237 is an apocalyptic number.

It is an amenable number.

11139237 is a deficient number, since it is larger than the sum of its proper divisors (5155483).

11139237 is a wasteful number, since it uses less digits than its factorization.

11139237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15752 (or 15749 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 11139237 is about 3337.5495501940. The cubic root of 11139237 is about 223.3324420152.

The spelling of 11139237 in words is "eleven million, one hundred thirty-nine thousand, two hundred thirty-seven".