12877791254 has 4 divisors (see below), whose sum is σ = 19316686884. Its totient is φ = 6438895626.

The previous prime is 12877791169. The next prime is 12877791263. The reversal of 12877791254 is 45219777821.

12877791254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45219777821 = 7561 ⋅5980661.

It is a junction number, because it is equal to n+sod(n) for n = 12877791196 and 12877791205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3219447812 + ... + 3219447815.

It is an arithmetic number, because the mean of its divisors is an integer number (4829171721).

Almost surely, 2^12877791254 is an apocalyptic number.

12877791254 is a deficient number, since it is larger than the sum of its proper divisors (6438895630).

12877791254 is an equidigital number, since it uses as much as digits as its factorization.

12877791254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438895629.

The product of its digits is 1975680, while the sum is 53.

The spelling of 12877791254 in words is "twelve billion, eight hundred seventy-seven million, seven hundred ninety-one thousand, two hundred fifty-four".