13504016 has 10 divisors (see below), whose sum is σ = 26164062. Its totient is φ = 6752000.

The previous prime is 13503991. The next prime is 13504033. The reversal of 13504016 is 61040531.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 2876416 = 3260^2 + 1696^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421985 + ... + 422016.

Almost surely, 2^13504016 is an apocalyptic number.

13504016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13504016 is a deficient number, since it is larger than the sum of its proper divisors (12660046).

13504016 is an equidigital number, since it uses as much as digits as its factorization.

13504016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844009 (or 844003 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13504016 is about 3674.7810819149. The cubic root of 13504016 is about 238.1337665752.

Adding to 13504016 its reverse (61040531), we get a palindrome (74544547).

The spelling of 13504016 in words is "thirteen million, five hundred four thousand, sixteen".