1326823 has 2 divisors, whose sum is σ = 1326824. Its totient is φ = 1326822.

The previous prime is 1326821. The next prime is 1326839. The reversal of 1326823 is 3286231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1326823 - 2¹ = 1326821 is a prime.

Together with 1326821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326821) 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 as a sum of consecutive naturals, namely, 663411 + 663412.

It is an arithmetic number, because the mean of its divisors is an integer number (663412).

2^1326823 is an apocalyptic number.

1326823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326823 is an equidigital number, since it uses as much as digits as its factorization.

1326823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 1326823 is about 1151.8780317377. The cubic root of 1326823 is about 109.8848105479.

The spelling of 1326823 in words is "one million, three hundred twenty-six thousand, eight hundred twenty-three".