12748012377 has 16 divisors (see below), whose sum is σ = 18067240512. Its totient is φ = 7967621120.

The previous prime is 12748012369. The next prime is 12748012379. The reversal of 12748012377 is 77321084721.

It is a cyclic number.

It is not a de Polignac number, because 12748012377 - 2³ = 12748012369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12748012379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473199 + ... + 499412.

It is an arithmetic number, because the mean of its divisors is an integer number (1129202532).

Almost surely, 2^12748012377 is an apocalyptic number.

12748012377 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12748012377 is a deficient number, since it is larger than the sum of its proper divisors (5319228135).

12748012377 is a wasteful number, since it uses less digits than its factorization.

12748012377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972888.

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 12748012377 in words is "twelve billion, seven hundred forty-eight million, twelve thousand, three hundred seventy-seven".