12945885339 has 24 divisors (see below), whose sum is σ = 18357150960. Its totient is φ = 8113659904.

The previous prime is 12945885313. The next prime is 12945885361. The reversal of 12945885339 is 93358854921.

It is a happy number.

It is not a de Polignac number, because 12945885339 - 2¹² = 12945881243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12945885439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 797407 + ... + 813479.

It is an arithmetic number, because the mean of its divisors is an integer number (764881290).

Almost surely, 2^12945885339 is an apocalyptic number.

12945885339 is a deficient number, since it is larger than the sum of its proper divisors (5411265621).

12945885339 is a wasteful number, since it uses less digits than its factorization.

12945885339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17039 (or 17022 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 57.

The spelling of 12945885339 in words is "twelve billion, nine hundred forty-five million, eight hundred eighty-five thousand, three hundred thirty-nine".