11444521 has 4 divisors (see below), whose sum is σ = 12484944. Its totient is φ = 10404100.

The previous prime is 11444513. The next prime is 11444533. The reversal of 11444521 is 12544411.

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.

It is a cyclic number.

It is not a de Polignac number, because 11444521 - 2³ = 11444513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11444492 and 11444501.

It is not an unprimeable number, because it can be changed into a prime (11444551) 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, 520195 + ... + 520216.

It is an arithmetic number, because the mean of its divisors is an integer number (3121236).

Almost surely, 2^11444521 is an apocalyptic number.

11444521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11444521 is a deficient number, since it is larger than the sum of its proper divisors (1040423).

11444521 is a wasteful number, since it uses less digits than its factorization.

11444521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040422.

The product of its digits is 640, while the sum is 22.

The square root of 11444521 is about 3382.9751698764. The cubic root of 11444521 is about 225.3543125451.

Adding to 11444521 its reverse (12544411), we get a palindrome (23988932).

It can be divided in two parts, 1144 and 4521, that added together give a palindrome (5665).

The spelling of 11444521 in words is "eleven million, four hundred forty-four thousand, five hundred twenty-one".