11044421 has 8 divisors (see below), whose sum is σ = 11346720. Its totient is φ = 10744272.

The previous prime is 11044417. The next prime is 11044427. The reversal of 11044421 is 12444011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11044421 - 2² = 11044417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11044421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11044427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17711 + ... + 18323.

It is an arithmetic number, because the mean of its divisors is an integer number (1418340).

Almost surely, 2^11044421 is an apocalyptic number.

It is an amenable number.

11044421 is a deficient number, since it is larger than the sum of its proper divisors (302299).

11044421 is an equidigital number, since it uses as much as digits as its factorization.

11044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 11044421 is about 3323.3147608976. The cubic root of 11044421 is about 222.6969749203.

Adding to 11044421 its reverse (12444011), we get a palindrome (23488432).

The spelling of 11044421 in words is "eleven million, forty-four thousand, four hundred twenty-one".