11044013 has 4 divisors (see below), whose sum is σ = 11279040. Its totient is φ = 10808988.

The previous prime is 11044009. The next prime is 11044021. The reversal of 11044013 is 31044011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31044011 = 41 ⋅757171.

It is a cyclic number.

It is not a de Polignac number, because 11044013 - 2² = 11044009 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 (11044003) 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, 117443 + ... + 117536.

It is an arithmetic number, because the mean of its divisors is an integer number (2819760).

Almost surely, 2^11044013 is an apocalyptic number.

It is an amenable number.

11044013 is a deficient number, since it is larger than the sum of its proper divisors (235027).

11044013 is an equidigital number, since it uses as much as digits as its factorization.

11044013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235026.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11044013 is about 3323.2533758352. The cubic root of 11044013 is about 222.6942326162.

Adding to 11044013 its reverse (31044011), we get a palindrome (42088024).

The spelling of 11044013 in words is "eleven million, forty-four thousand, thirteen".