1327399 has 4 divisors (see below), whose sum is σ = 1385136. Its totient is φ = 1269664.

The previous prime is 1327387. The next prime is 1327409. The reversal of 1327399 is 9937231.

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

It is a cyclic number.

It is not a de Polignac number, because 1327399 - 2⁹ = 1326887 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 (1327349) 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, 28834 + ... + 28879.

It is an arithmetic number, because the mean of its divisors is an integer number (346284).

2^1327399 is an apocalyptic number.

1327399 is a deficient number, since it is larger than the sum of its proper divisors (57737).

1327399 is an equidigital number, since it uses as much as digits as its factorization.

1327399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57736.

The product of its digits is 10206, while the sum is 34.

The square root of 1327399 is about 1152.1280310799. The cubic root of 1327399 is about 109.9007093010.

The spelling of 1327399 in words is "one million, three hundred twenty-seven thousand, three hundred ninety-nine".