12648629139 has 8 divisors (see below), whose sum is σ = 16867504080. Its totient is φ = 8431086816.

The previous prime is 12648629129. The next prime is 12648629159. The reversal of 12648629139 is 93192684621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12648629139 - 2⁵ = 12648629107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12648629091 and 12648629100.

It is not an unprimeable number, because it can be changed into a prime (12648629129) 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, 310792 + ... + 349125.

It is an arithmetic number, because the mean of its divisors is an integer number (2108438010).

Almost surely, 2^12648629139 is an apocalyptic number.

12648629139 is a deficient number, since it is larger than the sum of its proper divisors (4218874941).

12648629139 is an equidigital number, since it uses as much as digits as its factorization.

12648629139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666309.

The product of its digits is 1119744, while the sum is 51.

The spelling of 12648629139 in words is "twelve billion, six hundred forty-eight million, six hundred twenty-nine thousand, one hundred thirty-nine".