1316698727 has 4 divisors (see below), whose sum is σ = 1385998680. Its totient is φ = 1247398776.

The previous prime is 1316698699. The next prime is 1316698729. The reversal of 1316698727 is 7278966131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7278966131 = 1319 ⋅5518549.

It is a cyclic number.

It is not a de Polignac number, because 1316698727 - 2¹⁴ = 1316682343 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 (1316698729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34649948 + ... + 34649985.

It is an arithmetic number, because the mean of its divisors is an integer number (346499670).

Almost surely, 2^1316698727 is an apocalyptic number.

1316698727 is a deficient number, since it is larger than the sum of its proper divisors (69299953).

1316698727 is an equidigital number, since it uses as much as digits as its factorization.

1316698727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69299952.

The product of its digits is 762048, while the sum is 50.

The square root of 1316698727 is about 36286.3435330704. The cubic root of 1316698727 is about 1096.0460599993.

The spelling of 1316698727 in words is "one billion, three hundred sixteen million, six hundred ninety-eight thousand, seven hundred twenty-seven".