13764533 has 4 divisors (see below), whose sum is σ = 13786080. Its totient is φ = 13742988.

The previous prime is 13764497. The next prime is 13764539. The reversal of 13764533 is 33546731.

13764533 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 33546731 = 2969 ⋅11299.

It is a cyclic number.

It is not a de Polignac number, because 13764533 - 2⁶ = 13764469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13764533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13764539) 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, 9785 + ... + 11102.

It is an arithmetic number, because the mean of its divisors is an integer number (3446520).

Almost surely, 2^13764533 is an apocalyptic number.

It is an amenable number.

13764533 is a deficient number, since it is larger than the sum of its proper divisors (21547).

13764533 is an equidigital number, since it uses as much as digits as its factorization.

13764533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21546.

The product of its digits is 22680, while the sum is 32.

The square root of 13764533 is about 3710.0583553362. The cubic root of 13764533 is about 239.6553676243.

The spelling of 13764533 in words is "thirteen million, seven hundred sixty-four thousand, five hundred thirty-three".