1328506067 has 12 divisors (see below), whose sum is σ = 1556241168. Its totient is φ = 1110936000.

The previous prime is 1328506057. The next prime is 1328506073. The reversal of 1328506067 is 7606058231.

It is not a de Polignac number, because 1328506067 - 2⁸ = 1328505811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1328506067.

It is not an unprimeable number, because it can be changed into a prime (1328506057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44684 + ... + 68217.

It is an arithmetic number, because the mean of its divisors is an integer number (129686764).

Almost surely, 2^1328506067 is an apocalyptic number.

1328506067 is a deficient number, since it is larger than the sum of its proper divisors (227735101).

1328506067 is an equidigital number, since it uses as much as digits as its factorization.

1328506067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112990 (or 112949 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1328506067 is about 36448.6771639246. The cubic root of 1328506067 is about 1099.3125365634.

The spelling of 1328506067 in words is "one billion, three hundred twenty-eight million, five hundred six thousand, sixty-seven".