1328733 has 36 divisors (see below), whose sum is σ = 2347488. Its totient is φ = 720720.

The previous prime is 1328731. The next prime is 1328741. The reversal of 1328733 is 3378231.

It is not a de Polignac number, because 1328733 - 2¹ = 1328731 is a prime.

1328733 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1328697 and 1328706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328731) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10078 + ... + 10208.

It is an arithmetic number, because the mean of its divisors is an integer number (65208).

2^1328733 is an apocalyptic number.

It is an amenable number.

1328733 is a deficient number, since it is larger than the sum of its proper divisors (1018755).

1328733 is a wasteful number, since it uses less digits than its factorization.

1328733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 164 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1328733 is about 1152.7068144155. The cubic root of 1328733 is about 109.9375127192.

The spelling of 1328733 in words is "one million, three hundred twenty-eight thousand, seven hundred thirty-three".