1325688 has 64 divisors (see below), whose sum is σ = 4085760. Its totient is φ = 349056.

The previous prime is 1325669. The next prime is 1325693. The reversal of 1325688 is 8865231.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1881 + ... + 2487.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2^1325688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042880).

1325688 is an abundant number, since it is smaller than the sum of its proper divisors (2760072).

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

1325688 is a wasteful number, since it uses less digits than its factorization.

1325688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 632 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 1325688 is about 1151.3852526414. The cubic root of 1325688 is about 109.8534688041.

The spelling of 1325688 in words is "one million, three hundred twenty-five thousand, six hundred eighty-eight".