13163504 has 60 divisors (see below), whose sum is σ = 28062936. Its totient is φ = 5975424.

The previous prime is 13163497. The next prime is 13163537. The reversal of 13163504 is 40536131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13163504.

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 11 ways as a sum of consecutive naturals, for example, 248342 + ... + 248394.

Almost surely, 2^13163504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13163504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14031468).

13163504 is an abundant number, since it is smaller than the sum of its proper divisors (14899432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13163504 is a wasteful number, since it uses less digits than its factorization.

13163504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 117 counting only the distinct ones).

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

The square root of 13163504 is about 3628.1543517331. The cubic root of 13163504 is about 236.1151405982.

Adding to 13163504 its reverse (40536131), we get a palindrome (53699635).

The spelling of 13163504 in words is "thirteen million, one hundred sixty-three thousand, five hundred four".