12618396013507 has 16 divisors (see below), whose sum is σ = 13175608894560. Its totient is φ = 12074025369600.

The previous prime is 12618396013481. The next prime is 12618396013519. The reversal of 12618396013507 is 70531069381621.

It is a cyclic number.

It is not a de Polignac number, because 12618396013507 - 2¹⁵ = 12618395980739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12618396013537) 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, 4976094 + ... + 7070947.

It is an arithmetic number, because the mean of its divisors is an integer number (823475555910).

Almost surely, 2^{12618396013507} is an apocalyptic number.

12618396013507 is a deficient number, since it is larger than the sum of its proper divisors (557212881053).

12618396013507 is a wasteful number, since it uses less digits than its factorization.

12618396013507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12047574.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 12618396013507 in words is "twelve trillion, six hundred eighteen billion, three hundred ninety-six million, thirteen thousand, five hundred seven".