1327439 has 4 divisors (see below), whose sum is σ = 1331424. Its totient is φ = 1323456.

The previous prime is 1327427. The next prime is 1327481. The reversal of 1327439 is 9347231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1327439 is a prime.

It is a d-powerful number, because it can be written as 1 + 3¹² + 2 + 7⁴ + 4⁹ + 3¹² + 9 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327409) 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, 1442 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (332856).

2^1327439 is an apocalyptic number.

1327439 is a deficient number, since it is larger than the sum of its proper divisors (3985).

1327439 is an equidigital number, since it uses as much as digits as its factorization.

1327439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984.

The product of its digits is 4536, while the sum is 29.

The square root of 1327439 is about 1152.1453901310. The cubic root of 1327439 is about 109.9018132103.

The spelling of 1327439 in words is "one million, three hundred twenty-seven thousand, four hundred thirty-nine".