1323839 has 4 divisors (see below), whose sum is σ = 1444200. Its totient is φ = 1203480.

The previous prime is 1323799. The next prime is 1323851. The reversal of 1323839 is 9383231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323839 - 2¹² = 1319743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323869) 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, 60164 + ... + 60185.

It is an arithmetic number, because the mean of its divisors is an integer number (361050).

2^1323839 is an apocalyptic number.

1323839 is a deficient number, since it is larger than the sum of its proper divisors (120361).

1323839 is a wasteful number, since it uses less digits than its factorization.

1323839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120360.

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

The square root of 1323839 is about 1150.5820266283. The cubic root of 1323839 is about 109.8023724248.

The spelling of 1323839 in words is "one million, three hundred twenty-three thousand, eight hundred thirty-nine".