1312488162 has 48 divisors (see below), whose sum is σ = 3044896920. Its totient is φ = 407126016.

The previous prime is 1312488143. The next prime is 1312488167. The reversal of 1312488162 is 2618842131.

1312488162 is a `hidden beast` number, since 1 + 3 + 12 + 488 + 162 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1211666481 + 100821681 = 34809^2 + 10041^2 .

It is not an unprimeable number, because it can be changed into a prime (1312488167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3138 + ... + 51330.

Almost surely, 2^1312488162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312488162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522448460).

1312488162 is an abundant number, since it is smaller than the sum of its proper divisors (1732408758).

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

1312488162 is a wasteful number, since it uses less digits than its factorization.

1312488162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48307 (or 48304 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1312488162 is about 36228.2784851834. The cubic root of 1312488162 is about 1094.8764932321.

The spelling of 1312488162 in words is "one billion, three hundred twelve million, four hundred eighty-eight thousand, one hundred sixty-two".