1327873 has 4 divisors (see below), whose sum is σ = 1347760. Its totient is φ = 1307988.

The previous prime is 1327871. The next prime is 1327877. The reversal of 1327873 is 3787231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1327873 - 2¹ = 1327871 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327871) 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, 9843 + ... + 9976.

It is an arithmetic number, because the mean of its divisors is an integer number (336940).

2^1327873 is an apocalyptic number.

It is an amenable number.

1327873 is a deficient number, since it is larger than the sum of its proper divisors (19887).

1327873 is an equidigital number, since it uses as much as digits as its factorization.

1327873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19886.

The product of its digits is 7056, while the sum is 31.

The square root of 1327873 is about 1152.3337190241. Note that the first 3 decimals coincide. The cubic root of 1327873 is about 109.9137892006.

The spelling of 1327873 in words is "one million, three hundred twenty-seven thousand, eight hundred seventy-three".