12591506983 has 8 divisors (see below), whose sum is σ = 13738596480. Its totient is φ = 11444818680.

The previous prime is 12591506927. The next prime is 12591506987. The reversal of 12591506983 is 38960519521.

12591506983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12591506983 - 2¹³ = 12591498791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12591506987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32685 + ... + 162022.

It is an arithmetic number, because the mean of its divisors is an integer number (1717324560).

Almost surely, 2^12591506983 is an apocalyptic number.

12591506983 is a deficient number, since it is larger than the sum of its proper divisors (1147089497).

12591506983 is a wasteful number, since it uses less digits than its factorization.

12591506983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200597.

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 12591506983 in words is "twelve billion, five hundred ninety-one million, five hundred six thousand, nine hundred eighty-three".