1327240 has 16 divisors (see below), whose sum is σ = 2986380. Its totient is φ = 530880.

The previous prime is 1327237. The next prime is 1327267. The reversal of 1327240 is 427231.

It can be written as a sum of positive squares in 2 ways, for example, as 1313316 + 13924 = 1146^2 + 118^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16551 + ... + 16630.

2^1327240 is an apocalyptic number.

1327240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1327240 is an abundant number, since it is smaller than the sum of its proper divisors (1659140).

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

1327240 is a wasteful number, since it uses less digits than its factorization.

1327240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33192 (or 33188 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1327240 is about 1152.0590262656. The cubic root of 1327240 is about 109.8963210423.

Subtracting from 1327240 its reverse (427231), we obtain a palindrome (900009).

The spelling of 1327240 in words is "one million, three hundred twenty-seven thousand, two hundred forty".