1317053472 has 96 divisors (see below), whose sum is σ = 3959488512. Its totient is φ = 375508224.

The previous prime is 1317053449. The next prime is 1317053497. The reversal of 1317053472 is 2743507131.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365793 + ... + 369375.

It is an arithmetic number, because the mean of its divisors is an integer number (41244672).

Almost surely, 2^1317053472 is an apocalyptic number.

1317053472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317053472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1979744256).

1317053472 is an abundant number, since it is smaller than the sum of its proper divisors (2642435040).

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

1317053472 is a wasteful number, since it uses less digits than its factorization.

1317053472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150 (or 4142 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 1317053472 is about 36291.2313376110. The cubic root of 1317053472 is about 1096.1444834119.

The spelling of 1317053472 in words is "one billion, three hundred seventeen million, fifty-three thousand, four hundred seventy-two".