13422544 has 10 divisors (see below), whose sum is σ = 26006210. Its totient is φ = 6711264.

The previous prime is 13422533. The next prime is 13422581. The reversal of 13422544 is 44522431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8928144 + 4494400 = 2988^2 + 2120^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419439 + ... + 419470.

It is an arithmetic number, because the mean of its divisors is an integer number (2600621).

Almost surely, 2^13422544 is an apocalyptic number.

It is an amenable number.

13422544 is a deficient number, since it is larger than the sum of its proper divisors (12583666).

13422544 is an equidigital number, since it uses as much as digits as its factorization.

13422544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838917 (or 838911 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 13422544 is about 3663.6790252422. The cubic root of 13422544 is about 237.6538998821.

Adding to 13422544 its reverse (44522431), we get a palindrome (57944975).

The spelling of 13422544 in words is "thirteen million, four hundred twenty-two thousand, five hundred forty-four".