12648618307 has 32 divisors (see below), whose sum is σ = 15201285120. Its totient is φ = 10397237760.

The previous prime is 12648618223. The next prime is 12648618377. The reversal of 12648618307 is 70381684621.

It is a happy number.

It is not a de Polignac number, because 12648618307 - 2¹⁵ = 12648585539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12648618377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4630132 + ... + 4632862.

It is an arithmetic number, because the mean of its divisors is an integer number (475040160).

Almost surely, 2^12648618307 is an apocalyptic number.

12648618307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12648618307 is a deficient number, since it is larger than the sum of its proper divisors (2552666813).

12648618307 is a wasteful number, since it uses less digits than its factorization.

12648618307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 12648618307 in words is "twelve billion, six hundred forty-eight million, six hundred eighteen thousand, three hundred seven".