1328479 has 2 divisors, whose sum is σ = 1328480. Its totient is φ = 1328478.

The previous prime is 1328477. The next prime is 1328491. The reversal of 1328479 is 9748231.

It is a weak prime.

It is an emirp because it is prime and its reverse (9748231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1328479 - 2¹ = 1328477 is a prime.

Together with 1328477, it forms a pair of twin primes.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328473) 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 as a sum of consecutive naturals, namely, 664239 + 664240.

It is an arithmetic number, because the mean of its divisors is an integer number (664240).

2^1328479 is an apocalyptic number.

1328479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328479 is an equidigital number, since it uses as much as digits as its factorization.

1328479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 1328479 is about 1152.5966336928. The cubic root of 1328479 is about 109.9305070710.

The spelling of 1328479 in words is "one million, three hundred twenty-eight thousand, four hundred seventy-nine".