13504413 has 16 divisors (see below), whose sum is σ = 19668096. Its totient is φ = 8191680.

The previous prime is 13504411. The next prime is 13504423. The reversal of 13504413 is 31440531.

13504413 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13504413 - 2¹ = 13504411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13504413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13504411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (1229256).

Almost surely, 2^13504413 is an apocalyptic number.

13504413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13504413 is a deficient number, since it is larger than the sum of its proper divisors (6163683).

13504413 is a wasteful number, since it uses less digits than its factorization.

13504413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13504413 is about 3674.8350983411. The cubic root of 13504413 is about 238.1361001570.

Adding to 13504413 its reverse (31440531), we get a palindrome (44944944).

The spelling of 13504413 in words is "thirteen million, five hundred four thousand, four hundred thirteen".