1317472344 has 32 divisors (see below), whose sum is σ = 3659646000. Its totient is φ = 439157376.

The previous prime is 1317472319. The next prime is 1317472397. The reversal of 1317472344 is 4432747131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1317472299 and 1317472308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049489 + ... + 3049920.

Almost surely, 2^1317472344 is an apocalyptic number.

It is an amenable number.

1317472344 is an abundant number, since it is smaller than the sum of its proper divisors (2342173656).

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

1317472344 is a wasteful number, since it uses less digits than its factorization.

1317472344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099424 (or 6099414 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 1317472344 is about 36297.0018596578. The cubic root of 1317472344 is about 1096.2606760028.

The spelling of 1317472344 in words is "one billion, three hundred seventeen million, four hundred seventy-two thousand, three hundred forty-four".