11020839 has 4 divisors (see below), whose sum is σ = 14694456. Its totient is φ = 7347224.

The previous prime is 11020837. The next prime is 11020843. The reversal of 11020839 is 93802011.

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 11020839 - 2¹ = 11020837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020837) 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, 1836804 + ... + 1836809.

It is an arithmetic number, because the mean of its divisors is an integer number (3673614).

Almost surely, 2^11020839 is an apocalyptic number.

11020839 is a deficient number, since it is larger than the sum of its proper divisors (3673617).

11020839 is an equidigital number, since it uses as much as digits as its factorization.

11020839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673616.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11020839 is about 3319.7649013145. The cubic root of 11020839 is about 222.5383614369.

The spelling of 11020839 in words is "eleven million, twenty thousand, eight hundred thirty-nine".