13563104 has 12 divisors (see below), whose sum is σ = 26702424. Its totient is φ = 6781536.

The previous prime is 13563079. The next prime is 13563107. The reversal of 13563104 is 40136531.

It is a happy number.

It is a super-2 number, since 2×13563104² = 367915580229632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13563104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13563107) by changing a digit.

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, 211892 + ... + 211955.

It is an arithmetic number, because the mean of its divisors is an integer number (2225202).

Almost surely, 2^13563104 is an apocalyptic number.

It is an amenable number.

13563104 is a deficient number, since it is larger than the sum of its proper divisors (13139320).

13563104 is an equidigital number, since it uses as much as digits as its factorization.

13563104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423857 (or 423849 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13563104 is about 3682.8119691345. The cubic root of 13563104 is about 238.4805862423.

Adding to 13563104 its reverse (40136531), we get a palindrome (53699635).

It can be divided in two parts, 1356 and 3104, that multiplied together give a palindrome (4209024).

The spelling of 13563104 in words is "thirteen million, five hundred sixty-three thousand, one hundred four".