12840682377 has 8 divisors (see below), whose sum is σ = 17159559264. Its totient is φ = 8541130208.

The previous prime is 12840682373. The next prime is 12840682381. The reversal of 12840682377 is 77328604821.

It is an interprime number because it is at equal distance from previous prime (12840682373) and next prime (12840682381).

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

It is a cyclic number.

It is not a de Polignac number, because 12840682377 - 2² = 12840682373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12840682373) 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 7 ways as a sum of consecutive naturals, for example, 4829628 + ... + 4832285.

It is an arithmetic number, because the mean of its divisors is an integer number (2144944908).

Almost surely, 2^12840682377 is an apocalyptic number.

It is an amenable number.

12840682377 is a deficient number, since it is larger than the sum of its proper divisors (4318876887).

12840682377 is an equidigital number, since it uses as much as digits as its factorization.

12840682377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9662359.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 12840682377 in words is "twelve billion, eight hundred forty million, six hundred eighty-two thousand, three hundred seventy-seven".