1317369852 has 48 divisors (see below), whose sum is σ = 3498717600. Its totient is φ = 428411520.

The previous prime is 1317369841. The next prime is 1317369881. The reversal of 1317369852 is 2589637131.

It is a junction number, because it is equal to n+sod(n) for n = 1317369798 and 1317369807.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 144327 + ... + 153182.

It is an arithmetic number, because the mean of its divisors is an integer number (72889950).

Almost surely, 2^1317369852 is an apocalyptic number.

1317369852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1317369852 is an abundant number, since it is smaller than the sum of its proper divisors (2181347748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317369852 is a wasteful number, since it uses less digits than its factorization.

1317369852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297563 (or 297555 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 1317369852 is about 36295.5899800513. The cubic root of 1317369852 is about 1096.2322476103.

The spelling of 1317369852 in words is "one billion, three hundred seventeen million, three hundred sixty-nine thousand, eight hundred fifty-two".