1317472801 has 4 divisors (see below), whose sum is σ = 1353080212. Its totient is φ = 1281865392.

The previous prime is 1317472789. The next prime is 1317472831. The reversal of 1317472801 is 1082747131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1082747131 = 47 ⋅23037173.

It can be written as a sum of positive squares in 2 ways, for example, as 1210970401 + 106502400 = 34799^2 + 10320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317472801 - 2²³ = 1309084193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317472831) 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, 17803650 + ... + 17803723.

It is an arithmetic number, because the mean of its divisors is an integer number (338270053).

Almost surely, 2^1317472801 is an apocalyptic number.

It is an amenable number.

1317472801 is a deficient number, since it is larger than the sum of its proper divisors (35607411).

1317472801 is an equidigital number, since it uses as much as digits as its factorization.

1317472801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35607410.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1317472801 is about 36297.0081549430. The cubic root of 1317472801 is about 1096.2608027584.

The spelling of 1317472801 in words is "one billion, three hundred seventeen million, four hundred seventy-two thousand, eight hundred one".