11133939 has 4 divisors (see below), whose sum is σ = 14845256. Its totient is φ = 7422624.

The previous prime is 11133931. The next prime is 11133961. The reversal of 11133939 is 93933111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11133939 - 2³ = 11133931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11133931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855654 + ... + 1855659.

It is an arithmetic number, because the mean of its divisors is an integer number (3711314).

Almost surely, 2^11133939 is an apocalyptic number.

11133939 is a deficient number, since it is larger than the sum of its proper divisors (3711317).

11133939 is an equidigital number, since it uses as much as digits as its factorization.

11133939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711316.

The product of its digits is 2187, while the sum is 30.

The square root of 11133939 is about 3336.7557597163. The cubic root of 11133939 is about 223.2970295684.

The spelling of 11133939 in words is "eleven million, one hundred thirty-three thousand, nine hundred thirty-nine".