12839303985 has 16 divisors (see below), whose sum is σ = 20544587520. Its totient is φ = 6847061760.

The previous prime is 12839303977. The next prime is 12839303989. The reversal of 12839303985 is 58930393821.

It is not a de Polignac number, because 12839303985 - 2³ = 12839303977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12839303989) 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, 203865 + ... + 259305.

It is an arithmetic number, because the mean of its divisors is an integer number (1284036720).

Almost surely, 2^12839303985 is an apocalyptic number.

12839303985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12839303985 is a deficient number, since it is larger than the sum of its proper divisors (7705283535).

12839303985 is a wasteful number, since it uses less digits than its factorization.

12839303985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70888.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 12839303985 in words is "twelve billion, eight hundred thirty-nine million, three hundred three thousand, nine hundred eighty-five".