1323799 has 2 divisors, whose sum is σ = 1323800. Its totient is φ = 1323798.

The previous prime is 1323797. The next prime is 1323851. The reversal of 1323799 is 9973231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323799 - 2¹ = 1323797 is a prime.

Together with 1323797, 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 (1323797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661899 + 661900.

It is an arithmetic number, because the mean of its divisors is an integer number (661900).

2^1323799 is an apocalyptic number.

1323799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323799 is an equidigital number, since it uses as much as digits as its factorization.

1323799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 34.

The square root of 1323799 is about 1150.5646439901. The cubic root of 1323799 is about 109.8012665151.

The spelling of 1323799 in words is "one million, three hundred twenty-three thousand, seven hundred ninety-nine".