1327397 has 6 divisors (see below), whose sum is σ = 1401318. Its totient is φ = 1257192.

The previous prime is 1327387. The next prime is 1327409. The reversal of 1327397 is 7937231.

It can be written as a sum of positive squares in only one way, i.e., 1256641 + 70756 = 1121^2 + 266^2 .

It is not a de Polignac number, because 1327397 - 2¹⁶ = 1261861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327387) 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 5 ways as a sum of consecutive naturals, for example, 1478 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (233553).

2^1327397 is an apocalyptic number.

It is an amenable number.

1327397 is a deficient number, since it is larger than the sum of its proper divisors (73921).

1327397 is an equidigital number, since it uses as much as digits as its factorization.

1327397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715 (or 3696 counting only the distinct ones).

The product of its digits is 7938, while the sum is 32.

The square root of 1327397 is about 1152.1271631205. The cubic root of 1327397 is about 109.9006541050.

The spelling of 1327397 in words is "one million, three hundred twenty-seven thousand, three hundred ninety-seven".