11030839 has 4 divisors (see below), whose sum is σ = 11117824. Its totient is φ = 10943856.

The previous prime is 11030827. The next prime is 11030857. The reversal of 11030839 is 93803011.

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 11030839 - 2⁷ = 11030711 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 (11030809) 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 3 ways as a sum of consecutive naturals, for example, 43302 + ... + 43555.

It is an arithmetic number, because the mean of its divisors is an integer number (2779456).

Almost surely, 2^11030839 is an apocalyptic number.

11030839 is a deficient number, since it is larger than the sum of its proper divisors (86985).

11030839 is an equidigital number, since it uses as much as digits as its factorization.

11030839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86984.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11030839 is about 3321.2706905641. The cubic root of 11030839 is about 222.6056494437.

The spelling of 11030839 in words is "eleven million, thirty thousand, eight hundred thirty-nine".