1328272 has 20 divisors (see below), whose sum is σ = 2807856. Its totient is φ = 603680.

The previous prime is 1328269. The next prime is 1328279. The reversal of 1328272 is 2728231.

It is not an unprimeable number, because it can be changed into a prime (1328279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3598 + ... + 3949.

2^1328272 is an apocalyptic number.

It is an amenable number.

1328272 is an abundant number, since it is smaller than the sum of its proper divisors (1479584).

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

1328272 is a wasteful number, since it uses less digits than its factorization.

1328272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566 (or 7560 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 1328272 is about 1152.5068329515. The cubic root of 1328272 is about 109.9247970831.

It can be divided in two parts, 1328 and 272, that added together give a square (1600 = 40²).

The spelling of 1328272 in words is "one million, three hundred twenty-eight thousand, two hundred seventy-two".