11219239 has 4 divisors (see below), whose sum is σ = 11707056. Its totient is φ = 10731424.

The previous prime is 11219237. The next prime is 11219249. The reversal of 11219239 is 93291211.

11219239 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 11219239 - 2¹ = 11219237 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 (11219231) 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, 243874 + ... + 243919.

It is an arithmetic number, because the mean of its divisors is an integer number (2926764).

Almost surely, 2^11219239 is an apocalyptic number.

11219239 is a deficient number, since it is larger than the sum of its proper divisors (487817).

11219239 is an equidigital number, since it uses as much as digits as its factorization.

11219239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487816.

The product of its digits is 972, while the sum is 28.

The square root of 11219239 is about 3349.5132482198. The cubic root of 11219239 is about 223.8658249923.

The spelling of 11219239 in words is "eleven million, two hundred nineteen thousand, two hundred thirty-nine".