13516424 has 8 divisors (see below), whose sum is σ = 25343310. Its totient is φ = 6758208.

The previous prime is 13516423. The next prime is 13516439. The reversal of 13516424 is 42461531.

13516424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13468900 + 47524 = 3670^2 + 218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13516393 and 13516402.

It is not an unprimeable number, because it can be changed into a prime (13516423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 844769 + ... + 844784.

Almost surely, 2^13516424 is an apocalyptic number.

It is an amenable number.

13516424 is a deficient number, since it is larger than the sum of its proper divisors (11826886).

13516424 is a wasteful number, since it uses less digits than its factorization.

13516424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689559 (or 1689555 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 13516424 is about 3676.4689581173. The cubic root of 13516424 is about 238.2066796813.

Adding to 13516424 its reverse (42461531), we get a palindrome (55977955).

The spelling of 13516424 in words is "thirteen million, five hundred sixteen thousand, four hundred twenty-four".