13004535 has 8 divisors (see below), whose sum is σ = 20807280. Its totient is φ = 6935744.

The previous prime is 13004527. The next prime is 13004539. The reversal of 13004535 is 53540031.

13004535 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13004535 - 2³ = 13004527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13004539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433470 + ... + 433499.

It is an arithmetic number, because the mean of its divisors is an integer number (2600910).

Almost surely, 2^13004535 is an apocalyptic number.

13004535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13004535 is a deficient number, since it is larger than the sum of its proper divisors (7802745).

13004535 is an equidigital number, since it uses as much as digits as its factorization.

13004535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866977.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13004535 is about 3606.1801119744. The cubic root of 13004535 is about 235.1608073954.

Adding to 13004535 its reverse (53540031), we get a palindrome (66544566).

The spelling of 13004535 in words is "thirteen million, four thousand, five hundred thirty-five".