1327713297 has 4 divisors (see below), whose sum is σ = 1770284400. Its totient is φ = 885142196.

The previous prime is 1327713287. The next prime is 1327713307. The reversal of 1327713297 is 7923177231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7923177231 = 3 ⋅2641059077.

It is an interprime number because it is at equal distance from previous prime (1327713287) and next prime (1327713307).

It is a cyclic number.

It is not a de Polignac number, because 1327713297 - 2⁸ = 1327713041 is a prime.

It is a super-2 number, since 2×1327713297² = 3525645198061220418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1327713287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221285547 + ... + 221285552.

It is an arithmetic number, because the mean of its divisors is an integer number (442571100).

Almost surely, 2^1327713297 is an apocalyptic number.

It is an amenable number.

1327713297 is a deficient number, since it is larger than the sum of its proper divisors (442571103).

1327713297 is an equidigital number, since it uses as much as digits as its factorization.

1327713297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442571102.

The product of its digits is 111132, while the sum is 42.

The square root of 1327713297 is about 36437.8003864119. The cubic root of 1327713297 is about 1099.0938258799.

The spelling of 1327713297 in words is "one billion, three hundred twenty-seven million, seven hundred thirteen thousand, two hundred ninety-seven".