12747808929 has 16 divisors (see below), whose sum is σ = 17415143424. Its totient is φ = 8289590400.

The previous prime is 12747808901. The next prime is 12747808943. The reversal of 12747808929 is 92980874721.

It is not a de Polignac number, because 12747808929 - 2⁹ = 12747808417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12747808979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001167 + ... + 1013819.

It is an arithmetic number, because the mean of its divisors is an integer number (1088446464).

Almost surely, 2^12747808929 is an apocalyptic number.

It is an amenable number.

12747808929 is a deficient number, since it is larger than the sum of its proper divisors (4667334495).

12747808929 is a wasteful number, since it uses less digits than its factorization.

12747808929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20888.

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 12747808929 in words is "twelve billion, seven hundred forty-seven million, eight hundred eight thousand, nine hundred twenty-nine".