1323389 has 2 divisors, whose sum is σ = 1323390. Its totient is φ = 1323388.

The previous prime is 1323373. The next prime is 1323409. The reversal of 1323389 is 9833231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1138489 + 184900 = 1067^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323389 - 2⁴ = 1323373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661694 + 661695.

It is an arithmetic number, because the mean of its divisors is an integer number (661695).

2^1323389 is an apocalyptic number.

It is an amenable number.

1323389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323389 is an equidigital number, since it uses as much as digits as its factorization.

1323389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 1323389 is about 1150.3864568048. The cubic root of 1323389 is about 109.7899296562.

The spelling of 1323389 in words is "one million, three hundred twenty-three thousand, three hundred eighty-nine".