12976128263 has 8 divisors (see below), whose sum is σ = 14840672928. Its totient is φ = 11114286624.

The previous prime is 12976128259. The next prime is 12976128281. The reversal of 12976128263 is 36282167921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12976128263 - 2² = 12976128259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12976128233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665456 + ... + 684677.

It is an arithmetic number, because the mean of its divisors is an integer number (1855084116).

Almost surely, 2^12976128263 is an apocalyptic number.

12976128263 is a deficient number, since it is larger than the sum of its proper divisors (1864544665).

12976128263 is a wasteful number, since it uses less digits than its factorization.

12976128263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351513.

The product of its digits is 435456, while the sum is 47.

The spelling of 12976128263 in words is "twelve billion, nine hundred seventy-six million, one hundred twenty-eight thousand, two hundred sixty-three".