1328504 has 8 divisors (see below), whose sum is σ = 2490960. Its totient is φ = 664248.

The previous prime is 1328501. The next prime is 1328507. The reversal of 1328504 is 4058231.

It is an interprime number because it is at equal distance from previous prime (1328501) and next prime (1328507).

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1328504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83024 + ... + 83039.

It is an arithmetic number, because the mean of its divisors is an integer number (311370).

2^1328504 is an apocalyptic number.

It is an amenable number.

1328504 is a deficient number, since it is larger than the sum of its proper divisors (1162456).

1328504 is a wasteful number, since it uses less digits than its factorization.

1328504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166069 (or 166065 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1328504 is about 1152.6074787194. The cubic root of 1328504 is about 109.9311966429.

The spelling of 1328504 in words is "one million, three hundred twenty-eight thousand, five hundred four".