1327253280 has 96 divisors (see below), whose sum is σ = 4202803584. Its totient is φ = 352075776.

The previous prime is 1327253273. The next prime is 1327253281. The reversal of 1327253280 is 823527231.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1327253281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85477 + ... + 99803.

It is an arithmetic number, because the mean of its divisors is an integer number (43779204).

Almost surely, 2^1327253280 is an apocalyptic number.

1327253280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1327253280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2101401792).

1327253280 is an abundant number, since it is smaller than the sum of its proper divisors (2875550304).

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

1327253280 is a wasteful number, since it uses less digits than its factorization.

1327253280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14538 (or 14530 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1327253280 is about 36431.4874799259. The cubic root of 1327253280 is about 1098.9668757195.

The spelling of 1327253280 in words is "one billion, three hundred twenty-seven million, two hundred fifty-three thousand, two hundred eighty".