1327745 has 8 divisors (see below), whose sum is σ = 1636584. Its totient is φ = 1033344.

The previous prime is 1327709. The next prime is 1327759. The reversal of 1327745 is 5477231.

It can be written as a sum of positive squares in 4 ways, for example, as 698896 + 628849 = 836^2 + 793^2 .

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 1327745 - 2⁸ = 1327489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3404 + ... + 3773.

It is an arithmetic number, because the mean of its divisors is an integer number (204573).

2^1327745 is an apocalyptic number.

It is an amenable number.

1327745 is a deficient number, since it is larger than the sum of its proper divisors (308839).

1327745 is an equidigital number, since it uses as much as digits as its factorization.

1327745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219.

The product of its digits is 5880, while the sum is 29.

The square root of 1327745 is about 1152.2781782191. The cubic root of 1327745 is about 109.9102573826.

The spelling of 1327745 in words is "one million, three hundred twenty-seven thousand, seven hundred forty-five".