1239328 has 12 divisors (see below), whose sum is σ = 2439990. Its totient is φ = 619648.

The previous prime is 1239323. The next prime is 1239341. The reversal of 1239328 is 8239321.

It can be written as a sum of positive squares in only one way, i.e., 1227664 + 11664 = 1108^2 + 108^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1239296 and 1239305.

It is not an unprimeable number, because it can be changed into a prime (1239323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19333 + ... + 19396.

2^1239328 is an apocalyptic number.

It is an amenable number.

1239328 is a deficient number, since it is larger than the sum of its proper divisors (1200662).

1239328 is an equidigital number, since it uses as much as digits as its factorization.

1239328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38739 (or 38731 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 1239328 is about 1113.2510947670. The cubic root of 1239328 is about 107.4142962126.

It can be divided in two parts, 12393 and 28, that added together give a palindrome (12421).

The spelling of 1239328 in words is "one million, two hundred thirty-nine thousand, three hundred twenty-eight".