1306988080 has 20 divisors (see below), whose sum is σ = 3038747472. Its totient is φ = 522795200.

The previous prime is 1306988077. The next prime is 1306988143. The reversal of 1306988080 is 808896031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8168596 + ... + 8168755.

Almost surely, 2^1306988080 is an apocalyptic number.

1306988080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306988080 is an abundant number, since it is smaller than the sum of its proper divisors (1731759392).

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

1306988080 is a wasteful number, since it uses less digits than its factorization.

1306988080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16337364 (or 16337358 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 1306988080 is about 36152.2901072671. The cubic root of 1306988080 is about 1093.3449640180.

The spelling of 1306988080 in words is "one billion, three hundred six million, nine hundred eighty-eight thousand, eighty".