1317049512 has 16 divisors (see below), whose sum is σ = 3292623840. Its totient is φ = 439016496.

The previous prime is 1317049511. The next prime is 1317049549. The reversal of 1317049512 is 2159407131.

It is not an unprimeable number, because it can be changed into a prime (1317049511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27438508 + ... + 27438555.

It is an arithmetic number, because the mean of its divisors is an integer number (205788990).

Almost surely, 2^1317049512 is an apocalyptic number.

1317049512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1317049512 is an abundant number, since it is smaller than the sum of its proper divisors (1975574328).

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

1317049512 is a wasteful number, since it uses less digits than its factorization.

1317049512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54877072 (or 54877068 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1317049512 is about 36291.1767789362. The cubic root of 1317049512 is about 1096.1433848141.

The spelling of 1317049512 in words is "one billion, three hundred seventeen million, forty-nine thousand, five hundred twelve".