12704632877 has 4 divisors (see below), whose sum is σ = 13114459776. Its totient is φ = 12294805980.

The previous prime is 12704632873. The next prime is 12704632903. The reversal of 12704632877 is 77823640721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12704632877 - 2² = 12704632873 is a prime.

It is a super-2 number, since 2×12704632877² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704632873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204913403 + ... + 204913464.

It is an arithmetic number, because the mean of its divisors is an integer number (3278614944).

Almost surely, 2^12704632877 is an apocalyptic number.

It is an amenable number.

12704632877 is a deficient number, since it is larger than the sum of its proper divisors (409826899).

12704632877 is an equidigital number, since it uses as much as digits as its factorization.

12704632877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409826898.

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 12704632877 in words is "twelve billion, seven hundred four million, six hundred thirty-two thousand, eight hundred seventy-seven".