13522144 has 12 divisors (see below), whose sum is σ = 26621784. Its totient is φ = 6761056.

The previous prime is 13522133. The next prime is 13522147. The reversal of 13522144 is 44122531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522147) 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 as a sum of consecutive naturals, namely, 211252 + ... + 211315.

It is an arithmetic number, because the mean of its divisors is an integer number (2218482).

Almost surely, 2^13522144 is an apocalyptic number.

It is an amenable number.

13522144 is a deficient number, since it is larger than the sum of its proper divisors (13099640).

13522144 is an equidigital number, since it uses as much as digits as its factorization.

13522144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422577 (or 422569 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 13522144 is about 3677.2467961778. The cubic root of 13522144 is about 238.2402770797.

Adding to 13522144 its reverse (44122531), we get a palindrome (57644675).

The spelling of 13522144 in words is "thirteen million, five hundred twenty-two thousand, one hundred forty-four".