1328615 has 8 divisors (see below), whose sum is σ = 1600560. Its totient is φ = 1058752.

The previous prime is 1328611. The next prime is 1328617. The reversal of 1328615 is 5168231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1328615 - 2² = 1328611 is a prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328611) 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 7 ways as a sum of consecutive naturals, for example, 2051 + ... + 2619.

It is an arithmetic number, because the mean of its divisors is an integer number (200070).

2^1328615 is an apocalyptic number.

1328615 is a deficient number, since it is larger than the sum of its proper divisors (271945).

1328615 is an equidigital number, since it uses as much as digits as its factorization.

1328615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

The product of its digits is 1440, while the sum is 26.

The square root of 1328615 is about 1152.6556294054. The cubic root of 1328615 is about 109.9342582378.

The spelling of 1328615 in words is "one million, three hundred twenty-eight thousand, six hundred fifteen".