12627638998 has 16 divisors (see below), whose sum is σ = 21598405920. Its totient is φ = 5485309056.

The previous prime is 12627638993. The next prime is 12627639023. The reversal of 12627638998 is 89983672621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12627638993) 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, 14284218 + ... + 14285101.

It is an arithmetic number, because the mean of its divisors is an integer number (1349900370).

Almost surely, 2^12627638998 is an apocalyptic number.

12627638998 is a deficient number, since it is larger than the sum of its proper divisors (8970766922).

12627638998 is a wasteful number, since it uses less digits than its factorization.

12627638998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28569351.

The product of its digits is 15676416, while the sum is 61.

The spelling of 12627638998 in words is "twelve billion, six hundred twenty-seven million, six hundred thirty-eight thousand, nine hundred ninety-eight".