1327457 has 4 divisors (see below), whose sum is σ = 1359876. Its totient is φ = 1295040.

The previous prime is 1327427. The next prime is 1327481. The reversal of 1327457 is 7547231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 398161 + 929296 = 631^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327457 - 2⁸ = 1327201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327427) 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 3 ways as a sum of consecutive naturals, for example, 16148 + ... + 16229.

It is an arithmetic number, because the mean of its divisors is an integer number (339969).

2^1327457 is an apocalyptic number.

It is an amenable number.

1327457 is a deficient number, since it is larger than the sum of its proper divisors (32419).

1327457 is an equidigital number, since it uses as much as digits as its factorization.

1327457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32418.

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

The square root of 1327457 is about 1152.1532016186. The cubic root of 1327457 is about 109.9023099622.

It can be divided in two parts, 13274 and 57, that added together give a palindrome (13331).

The spelling of 1327457 in words is "one million, three hundred twenty-seven thousand, four hundred fifty-seven".