1328562 has 40 divisors (see below), whose sum is σ = 3049200. Its totient is φ = 432216.

The previous prime is 1328539. The next prime is 1328563. The reversal of 1328562 is 2658231.

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

It is an Ulam number.

It is a nialpdrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (1328563) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9489 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (76230).

2^1328562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524600).

1328562 is an abundant number, since it is smaller than the sum of its proper divisors (1720638).

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

1328562 is a wasteful number, since it uses less digits than its factorization.

1328562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 203 counting only the distinct ones).

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

The square root of 1328562 is about 1152.6326387883. The cubic root of 1328562 is about 109.9327964165.

The spelling of 1328562 in words is "one million, three hundred twenty-eight thousand, five hundred sixty-two".