11340239 has 4 divisors (see below), whose sum is σ = 11390424. Its totient is φ = 11290056.

The previous prime is 11340227. The next prime is 11340257. The reversal of 11340239 is 93204311.

11340239 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93204311 = 5503 ⋅16937.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11340239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11340299) 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 3 ways as a sum of consecutive naturals, for example, 24752 + ... + 25205.

It is an arithmetic number, because the mean of its divisors is an integer number (2847606).

Almost surely, 2^11340239 is an apocalyptic number.

11340239 is a deficient number, since it is larger than the sum of its proper divisors (50185).

11340239 is an equidigital number, since it uses as much as digits as its factorization.

11340239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50184.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 11340239 is about 3367.5271342634. The cubic root of 11340239 is about 224.6677499481.

The spelling of 11340239 in words is "eleven million, three hundred forty thousand, two hundred thirty-nine".