1317236998 has 16 divisors (see below), whose sum is σ = 2463404544. Its totient is φ = 513209160.

The previous prime is 1317236983. The next prime is 1317237001. The reversal of 1317236998 is 8996327131.

It is a super-2 number, since 2×1317236998² = 3470226617800104008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4276590 + ... + 4276897.

It is an arithmetic number, because the mean of its divisors is an integer number (153962784).

Almost surely, 2^1317236998 is an apocalyptic number.

1317236998 is a deficient number, since it is larger than the sum of its proper divisors (1146167546).

1317236998 is a wasteful number, since it uses less digits than its factorization.

1317236998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553507.

The product of its digits is 489888, while the sum is 49.

The square root of 1317236998 is about 36293.7597666596. The cubic root of 1317236998 is about 1096.1953954600.

The spelling of 1317236998 in words is "one billion, three hundred seventeen million, two hundred thirty-six thousand, nine hundred ninety-eight".