1316947896 has 160 divisors (see below), whose sum is σ = 4110670080. Its totient is φ = 390484800.

The previous prime is 1316947837. The next prime is 1316947897. The reversal of 1316947896 is 6987496131.

1316947896 is a `hidden beast` number, since 1 + 3 + 169 + 478 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316947897) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 333051 + ... + 336981.

It is an arithmetic number, because the mean of its divisors is an integer number (25691688).

Almost surely, 2^1316947896 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 1316947896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2055335040).

1316947896 is an abundant number, since it is smaller than the sum of its proper divisors (2793722184).

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

1316947896 is a wasteful number, since it uses less digits than its factorization.

1316947896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007 (or 3994 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 1316947896 is about 36289.7767422176. The cubic root of 1316947896 is about 1096.1151933730.

The spelling of 1316947896 in words is "one billion, three hundred sixteen million, nine hundred forty-seven thousand, eight hundred ninety-six".