13166533 has 4 divisors (see below), whose sum is σ = 13446720. Its totient is φ = 12886348.

The previous prime is 13166521. The next prime is 13166567. The reversal of 13166533 is 33566131.

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 13166533 - 2¹⁷ = 13035461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13166233) 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, 140023 + ... + 140116.

It is an arithmetic number, because the mean of its divisors is an integer number (3361680).

Almost surely, 2^13166533 is an apocalyptic number.

It is an amenable number.

13166533 is a deficient number, since it is larger than the sum of its proper divisors (280187).

13166533 is an equidigital number, since it uses as much as digits as its factorization.

13166533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280186.

The product of its digits is 4860, while the sum is 28.

The square root of 13166533 is about 3628.5717575928. The cubic root of 13166533 is about 236.1332497053.

The spelling of 13166533 in words is "thirteen million, one hundred sixty-six thousand, five hundred thirty-three".