11404544 has 18 divisors (see below), whose sum is σ = 22765050. Its totient is φ = 5702144.

The previous prime is 11404543. The next prime is 11404567. The reversal of 11404544 is 44540411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 3564544 = 2800^2 + 1888^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22019 + ... + 22530.

It is an arithmetic number, because the mean of its divisors is an integer number (1264725).

Almost surely, 2^11404544 is an apocalyptic number.

It is an amenable number.

11404544 is a deficient number, since it is larger than the sum of its proper divisors (11360506).

11404544 is an frugal number, since it uses more digits than its factorization.

11404544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44565 (or 44551 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 11404544 is about 3377.0614445106. The cubic root of 11404544 is about 225.0916104317.

Adding to 11404544 its reverse (44540411), we get a palindrome (55944955).

The spelling of 11404544 in words is "eleven million, four hundred four thousand, five hundred forty-four".