13518445 has 16 divisors (see below), whose sum is σ = 16692480. Its totient is φ = 10505664.

The previous prime is 13518433. The next prime is 13518467. The reversal of 13518445 is 54481531.

It is a cyclic number.

It is not a de Polignac number, because 13518445 - 2¹¹ = 13516397 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 36652 + ... + 37018.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^13518445 is an apocalyptic number.

It is an amenable number.

13518445 is a deficient number, since it is larger than the sum of its proper divisors (3174035).

13518445 is a wasteful number, since it uses less digits than its factorization.

13518445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its digits is 9600, while the sum is 31.

The square root of 13518445 is about 3676.7438039657. The cubic root of 13518445 is about 238.2185514532.

Adding to 13518445 its reverse (54481531), we get a palindrome (67999976).

The spelling of 13518445 in words is "thirteen million, five hundred eighteen thousand, four hundred forty-five".