1323899 has 2 divisors, whose sum is σ = 1323900. Its totient is φ = 1323898.

The previous prime is 1323893. The next prime is 1323919. The reversal of 1323899 is 9983231.

It is a weak prime.

It is an emirp because it is prime and its reverse (9983231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323899 - 2¹² = 1319803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661949 + 661950.

It is an arithmetic number, because the mean of its divisors is an integer number (661950).

2^1323899 is an apocalyptic number.

1323899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323899 is an equidigital number, since it uses as much as digits as its factorization.

1323899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 1323899 is about 1150.6081000932. The cubic root of 1323899 is about 109.8040312476.

It can be divided in two parts, 1323 and 899, that added together give a palindrome (2222).

The spelling of 1323899 in words is "one million, three hundred twenty-three thousand, eight hundred ninety-nine".