12533823 has 12 divisors (see below), whose sum is σ = 18546528. Its totient is φ = 8151840.

The previous prime is 12533779. The next prime is 12533831. The reversal of 12533823 is 32833521.

12533823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12533823 - 2¹³ = 12525631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16615 + ... + 17352.

It is an arithmetic number, because the mean of its divisors is an integer number (1545544).

Almost surely, 2^12533823 is an apocalyptic number.

12533823 is a deficient number, since it is larger than the sum of its proper divisors (6012705).

12533823 is a wasteful number, since it uses less digits than its factorization.

12533823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34014 (or 34011 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 12533823 is about 3540.3139691276. The cubic root of 12533823 is about 232.2885764443.

The spelling of 12533823 in words is "twelve million, five hundred thirty-three thousand, eight hundred twenty-three".