1316973392 has 60 divisors (see below), whose sum is σ = 2991121056. Its totient is φ = 560064960.

The previous prime is 1316973379. The next prime is 1316973407. The reversal of 1316973392 is 2933796131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96293 + ... + 109115.

Almost surely, 2^1316973392 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 1316973392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495560528).

1316973392 is an abundant number, since it is smaller than the sum of its proper divisors (1674147664).

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

1316973392 is a wasteful number, since it uses less digits than its factorization.

1316973392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12976 (or 12963 counting only the distinct ones).

The product of its digits is 183708, while the sum is 44.

The square root of 1316973392 is about 36290.1280240233. The cubic root of 1316973392 is about 1096.1222668932.

The spelling of 1316973392 in words is "one billion, three hundred sixteen million, nine hundred seventy-three thousand, three hundred ninety-two".