1327881 has 8 divisors (see below), whose sum is σ = 1831680. Its totient is φ = 854672.

The previous prime is 1327877. The next prime is 1327889. The reversal of 1327881 is 1887231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1327881 - 2² = 1327877 is a prime.

It is a super-2 number, since 2×1327881² = 3526535900322, which contains 22 as substring.

1327881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1327889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7545 + ... + 7718.

It is an arithmetic number, because the mean of its divisors is an integer number (228960).

2^1327881 is an apocalyptic number.

It is an amenable number.

1327881 is a deficient number, since it is larger than the sum of its proper divisors (503799).

1327881 is a wasteful number, since it uses less digits than its factorization.

1327881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295.

The product of its digits is 2688, while the sum is 30.

The square root of 1327881 is about 1152.3371902356. The cubic root of 1327881 is about 109.9140099317.

The spelling of 1327881 in words is "one million, three hundred twenty-seven thousand, eight hundred eighty-one".