1305963882 has 24 divisors (see below), whose sum is σ = 2831720580. Its totient is φ = 434993280.

The previous prime is 1305963863. The next prime is 1305963889. The reversal of 1305963882 is 2883695031.

It is a happy number.

1305963882 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 9 + 638 + 8 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1203326721 + 102637161 = 34689^2 + 10131^2 .

It is a super-2 number, since 2×1305963882² = 3411083322177019848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1305963889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2157 + ... + 51152.

Almost surely, 2^1305963882 is an apocalyptic number.

1305963882 is an abundant number, since it is smaller than the sum of its proper divisors (1525756698).

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

1305963882 is a wasteful number, since it uses less digits than its factorization.

1305963882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54678 (or 54675 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1305963882 is about 36138.1222810483. The cubic root of 1305963882 is about 1093.0592959301.

The spelling of 1305963882 in words is "one billion, three hundred five million, nine hundred sixty-three thousand, eight hundred eighty-two".