1317408472 has 32 divisors (see below), whose sum is σ = 2753103600. Its totient is φ = 587326464.

The previous prime is 1317408461. The next prime is 1317408481. The reversal of 1317408472 is 2748047131.

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, 252333 + ... + 257500.

Almost surely, 2^1317408472 is an apocalyptic number.

It is an amenable number.

1317408472 is an abundant number, since it is smaller than the sum of its proper divisors (1435695128).

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

1317408472 is a wasteful number, since it uses less digits than its factorization.

1317408472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509875 (or 509871 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 1317408472 is about 36296.1219967092. The cubic root of 1317408472 is about 1096.2429598831.

The spelling of 1317408472 in words is "one billion, three hundred seventeen million, four hundred eight thousand, four hundred seventy-two".