1328319 has 30 divisors (see below), whose sum is σ = 2141216. Its totient is φ = 819720.

The previous prime is 1328317. The next prime is 1328323. The reversal of 1328319 is 9138231.

It is not a de Polignac number, because 1328319 - 2¹ = 1328317 is a prime.

It is a super-2 number, since 2×1328319² = 3528862731522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1328292 and 1328301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328311) 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 29 ways as a sum of consecutive naturals, for example, 42834 + ... + 42864.

2^1328319 is an apocalyptic number.

1328319 is a deficient number, since it is larger than the sum of its proper divisors (812897).

1328319 is an equidigital number, since it uses as much as digits as its factorization.

1328319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 57 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1328319 is about 1152.5272231058. The cubic root of 1328319 is about 109.9260936059.

The spelling of 1328319 in words is "one million, three hundred twenty-eight thousand, three hundred nineteen".