13266533 has 4 divisors (see below), whose sum is σ = 15161760. Its totient is φ = 11371308.

The previous prime is 13266529. The next prime is 13266551. The reversal of 13266533 is 33566231.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33566231 = 79 ⋅424889.

It is a cyclic number.

It is not a de Polignac number, because 13266533 - 2² = 13266529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13266496 and 13266505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13266553) 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, 947603 + ... + 947616.

It is an arithmetic number, because the mean of its divisors is an integer number (3790440).

Almost surely, 2^13266533 is an apocalyptic number.

It is an amenable number.

13266533 is a deficient number, since it is larger than the sum of its proper divisors (1895227).

13266533 is an equidigital number, since it uses as much as digits as its factorization.

13266533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895226.

The product of its digits is 9720, while the sum is 29.

The square root of 13266533 is about 3642.3252188677. The cubic root of 13266533 is about 236.7295543606.

The spelling of 13266533 in words is "thirteen million, two hundred sixty-six thousand, five hundred thirty-three".