1317705627 has 16 divisors (see below), whose sum is σ = 2095234560. Its totient is φ = 720236352.

The previous prime is 1317705611. The next prime is 1317705643. The reversal of 1317705627 is 7265077131.

It is an interprime number because it is at equal distance from previous prime (1317705611) and next prime (1317705643).

It is not a de Polignac number, because 1317705627 - 2⁴ = 1317705611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1317705647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1363602 + ... + 1364567.

It is an arithmetic number, because the mean of its divisors is an integer number (130952160).

Almost surely, 2^1317705627 is an apocalyptic number.

1317705627 is a deficient number, since it is larger than the sum of its proper divisors (777528933).

1317705627 is a wasteful number, since it uses less digits than its factorization.

1317705627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728202.

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 1317705627 is about 36300.2152472957. The cubic root of 1317705627 is about 1096.3253766364.

The spelling of 1317705627 in words is "one billion, three hundred seventeen million, seven hundred five thousand, six hundred twenty-seven".