11273139 has 12 divisors (see below), whose sum is σ = 16332576. Its totient is φ = 7492752.

The previous prime is 11273131. The next prime is 11273147. The reversal of 11273139 is 93137211.

11273139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11273131) and next prime (11273147).

It is not a de Polignac number, because 11273139 - 2³ = 11273131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11273131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1597 + ... + 5009.

It is an arithmetic number, because the mean of its divisors is an integer number (1361048).

Almost surely, 2^11273139 is an apocalyptic number.

11273139 is a deficient number, since it is larger than the sum of its proper divisors (5059437).

11273139 is a wasteful number, since it uses less digits than its factorization.

11273139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786 (or 3783 counting only the distinct ones).

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

The square root of 11273139 is about 3357.5495528733. The cubic root of 11273139 is about 224.2237546791.

The spelling of 11273139 in words is "eleven million, two hundred seventy-three thousand, one hundred thirty-nine".