13006533 has 4 divisors (see below), whose sum is σ = 17342048. Its totient is φ = 8671020.

The previous prime is 13006501. The next prime is 13006537. The reversal of 13006533 is 33560031.

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 not a de Polignac number, because 13006533 - 2⁵ = 13006501 is a prime.

It is a super-4 number, since 4×13006533⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13006537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167753 + ... + 2167758.

It is an arithmetic number, because the mean of its divisors is an integer number (4335512).

Almost surely, 2^13006533 is an apocalyptic number.

It is an amenable number.

13006533 is a deficient number, since it is larger than the sum of its proper divisors (4335515).

13006533 is an equidigital number, since it uses as much as digits as its factorization.

13006533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335514.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 13006533 is about 3606.4571257676. The cubic root of 13006533 is about 235.1728500465.

Adding to 13006533 its reverse (33560031), we get a palindrome (46566564).

The spelling of 13006533 in words is "thirteen million, six thousand, five hundred thirty-three".