11047445 has 8 divisors (see below), whose sum is σ = 13374936. Its totient is φ = 8759296.

The previous prime is 11047441. The next prime is 11047447. The reversal of 11047445 is 54474011.

It can be written as a sum of positive squares in 4 ways, for example, as 380689 + 10666756 = 617^2 + 3266^2 .

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 11047445 - 2² = 11047441 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 (11047441) 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, 9212 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (1671867).

Almost surely, 2^11047445 is an apocalyptic number.

It is an amenable number.

11047445 is a deficient number, since it is larger than the sum of its proper divisors (2327491).

11047445 is a wasteful number, since it uses less digits than its factorization.

11047445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19671.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 11047445 is about 3323.7696971962. The cubic root of 11047445 is about 222.7172981284.

The spelling of 11047445 in words is "eleven million, forty-seven thousand, four hundred forty-five".