13008533 has 4 divisors (see below), whose sum is σ = 13029408. Its totient is φ = 12987660.

The previous prime is 13008517. The next prime is 13008539. The reversal of 13008533 is 33580031.

13008533 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13008533 - 2⁴ = 13008517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13008499 and 13008508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13008539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9473 + ... + 10758.

It is an arithmetic number, because the mean of its divisors is an integer number (3257352).

Almost surely, 2^13008533 is an apocalyptic number.

It is an amenable number.

13008533 is a deficient number, since it is larger than the sum of its proper divisors (20875).

13008533 is an equidigital number, since it uses as much as digits as its factorization.

13008533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20874.

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

The square root of 13008533 is about 3606.7343955440. The cubic root of 13008533 is about 235.1849035172.

Adding to 13008533 its reverse (33580031), we get a palindrome (46588564).

The spelling of 13008533 in words is "thirteen million, eight thousand, five hundred thirty-three".