12961703975 has 48 divisors (see below), whose sum is σ = 18619165440. Its totient is φ = 8846323200.

The previous prime is 12961703957. The next prime is 12961703977. The reversal of 12961703975 is 57930716921.

It is not a de Polignac number, because 12961703975 - 2¹² = 12961699879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12961703977) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1674464 + ... + 1682186.

It is an arithmetic number, because the mean of its divisors is an integer number (387899280).

Almost surely, 2^12961703975 is an apocalyptic number.

12961703975 is a deficient number, since it is larger than the sum of its proper divisors (5657461465).

12961703975 is a wasteful number, since it uses less digits than its factorization.

12961703975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120 (or 8115 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 50.

The spelling of 12961703975 in words is "twelve billion, nine hundred sixty-one million, seven hundred three thousand, nine hundred seventy-five".