11228039 has 4 divisors (see below), whose sum is σ = 11242056. Its totient is φ = 11214024.

The previous prime is 11228029. The next prime is 11228047. The reversal of 11228039 is 93082211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93082211 = 613 ⋅151847.

It is a cyclic number.

It is not a de Polignac number, because 11228039 - 2⁴ = 11228023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11227999 and 11228017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11228029) 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, 5729 + ... + 7434.

It is an arithmetic number, because the mean of its divisors is an integer number (2810514).

Almost surely, 2^11228039 is an apocalyptic number.

11228039 is a deficient number, since it is larger than the sum of its proper divisors (14017).

11228039 is an equidigital number, since it uses as much as digits as its factorization.

11228039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14016.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11228039 is about 3350.8266144341. The cubic root of 11228039 is about 223.9243406787.

The spelling of 11228039 in words is "eleven million, two hundred twenty-eight thousand, thirty-nine".