1239339 has 4 divisors (see below), whose sum is σ = 1652456. Its totient is φ = 826224.

The previous prime is 1239323. The next prime is 1239341. The reversal of 1239339 is 9339321.

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

It is not a de Polignac number, because 1239339 - 2⁴ = 1239323 is a prime.

It is a super-2 number, since 2×1239339² = 3071922313842, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1239319) 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 in 3 ways as a sum of consecutive naturals, for example, 206554 + ... + 206559.

It is an arithmetic number, because the mean of its divisors is an integer number (413114).

2^1239339 is an apocalyptic number.

1239339 is a deficient number, since it is larger than the sum of its proper divisors (413117).

1239339 is an equidigital number, since it uses as much as digits as its factorization.

1239339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413116.

The product of its digits is 4374, while the sum is 30.

The square root of 1239339 is about 1113.2560352408. The cubic root of 1239339 is about 107.4146140068.

The spelling of 1239339 in words is "one million, two hundred thirty-nine thousand, three hundred thirty-nine".