1313262984 has 64 divisors (see below), whose sum is σ = 3596662080. Its totient is φ = 396288000.

The previous prime is 1313262983. The next prime is 1313262989. The reversal of 1313262984 is 4892623131.

It is not an unprimeable number, because it can be changed into a prime (1313262983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53304 + ... + 73944.

It is an arithmetic number, because the mean of its divisors is an integer number (56197845).

Almost surely, 2^1313262984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313262984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798331040).

1313262984 is an abundant number, since it is smaller than the sum of its proper divisors (2283399096).

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

1313262984 is a wasteful number, since it uses less digits than its factorization.

1313262984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20902 (or 20898 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 1313262984 is about 36238.9705151788. The cubic root of 1313262984 is about 1095.0919027971.

The spelling of 1313262984 in words is "one billion, three hundred thirteen million, two hundred sixty-two thousand, nine hundred eighty-four".