13326823 has 4 divisors (see below), whose sum is σ = 13334400. Its totient is φ = 13319248.

The previous prime is 13326811. The next prime is 13326829. The reversal of 13326823 is 32862331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13326823 - 2⁵ = 13326791 is a prime.

It is a super-2 number, since 2×13326823² = 355208422546658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13326791 and 13326800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13326829) 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, 378 + ... + 5176.

It is an arithmetic number, because the mean of its divisors is an integer number (3333600).

Almost surely, 2^13326823 is an apocalyptic number.

13326823 is a deficient number, since it is larger than the sum of its proper divisors (7577).

13326823 is an equidigital number, since it uses as much as digits as its factorization.

13326823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576.

The product of its digits is 5184, while the sum is 28.

The square root of 13326823 is about 3650.5921437487. The cubic root of 13326823 is about 237.0876197477.

It can be divided in two parts, 13 and 326823, that added together give a triangular number (326836 = T₈₀₈).

The spelling of 13326823 in words is "thirteen million, three hundred twenty-six thousand, eight hundred twenty-three".