1317084912 has 240 divisors, whose sum is σ = 4367720448. Its totient is φ = 365253120.

The previous prime is 1317084887. The next prime is 1317084913. The reversal of 1317084912 is 2194807131.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317084913) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3438673 + ... + 3439055.

Almost surely, 2^1317084912 is an apocalyptic number.

1317084912 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 1317084912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2183860224).

1317084912 is an abundant number, since it is smaller than the sum of its proper divisors (3050635536).

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

1317084912 is a wasteful number, since it uses less digits than its factorization.

1317084912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1317084912 is about 36291.6644975124. The cubic root of 1317084912 is about 1096.1532055352.

The spelling of 1317084912 in words is "one billion, three hundred seventeen million, eighty-four thousand, nine hundred twelve".