1328652 has 72 divisors (see below), whose sum is σ = 3852576. Its totient is φ = 382464.

The previous prime is 1328647. The next prime is 1328653. The reversal of 1328652 is 2568231.

1328652 is a `hidden beast` number, since 1 + 3 + 2 + 8 + 652 = 666.

It is a super-2 number, since 2×1328652² = 3530632274208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1328653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7873 + ... + 8039.

It is an arithmetic number, because the mean of its divisors is an integer number (53508).

2^1328652 is an apocalyptic number.

1328652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926288).

1328652 is an abundant number, since it is smaller than the sum of its proper divisors (2523924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1328652 is a wasteful number, since it uses less digits than its factorization.

1328652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 202 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1328652 is about 1152.6716791871. The cubic root of 1328652 is about 109.9352787315.

The spelling of 1328652 in words is "one million, three hundred twenty-eight thousand, six hundred fifty-two".