13264533 has 8 divisors (see below), whose sum is σ = 19651200. Its totient is φ = 8843004.

The previous prime is 13264529. The next prime is 13264547. The reversal of 13264533 is 33546231.

It is a happy number.

13264533 is a `hidden beast` number, since 13 + 2 + 645 + 3 + 3 = 666.

13264533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13264533 - 2² = 13264529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 491279 = 13264533 / (1 + 3 + 2 + 6 + 4 + 5 + 3 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 13264497 and 13264506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13264523) 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, 245613 + ... + 245666.

It is an arithmetic number, because the mean of its divisors is an integer number (2456400).

Almost surely, 2^13264533 is an apocalyptic number.

It is an amenable number.

13264533 is a deficient number, since it is larger than the sum of its proper divisors (6386667).

13264533 is an equidigital number, since it uses as much as digits as its factorization.

13264533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491288 (or 491282 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 13264533 is about 3642.0506586263. The cubic root of 13264533 is about 236.7176576854.

The spelling of 13264533 in words is "thirteen million, two hundred sixty-four thousand, five hundred thirty-three".