11139873 has 8 divisors (see below), whose sum is σ = 15056928. Its totient is φ = 7324704.

The previous prime is 11139859. The next prime is 11139899. The reversal of 11139873 is 37893111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11139873 - 2⁶ = 11139809 is a prime.

It is a super-2 number, since 2×11139873² = 248193540912258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11139853) 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, 25215 + ... + 25652.

It is an arithmetic number, because the mean of its divisors is an integer number (1882116).

Almost surely, 2^11139873 is an apocalyptic number.

It is an amenable number.

11139873 is a deficient number, since it is larger than the sum of its proper divisors (3917055).

11139873 is an equidigital number, since it uses as much as digits as its factorization.

11139873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50943.

The product of its digits is 4536, while the sum is 33.

The square root of 11139873 is about 3337.6448283183. The cubic root of 11139873 is about 223.3366923581.

The spelling of 11139873 in words is "eleven million, one hundred thirty-nine thousand, eight hundred seventy-three".