12485650637 has 16 divisors (see below), whose sum is σ = 12674880000. Its totient is φ = 12298302720.

The previous prime is 12485650571. The next prime is 12485650649. The reversal of 12485650637 is 73605658421.

It is a cyclic number.

It is not a de Polignac number, because 12485650637 - 2¹⁸ = 12485388493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12485650591 and 12485650600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12485350637) 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, 12779093 + ... + 12780069.

It is an arithmetic number, because the mean of its divisors is an integer number (792180000).

Almost surely, 2^12485650637 is an apocalyptic number.

It is an amenable number.

12485650637 is a deficient number, since it is larger than the sum of its proper divisors (189229363).

12485650637 is a wasteful number, since it uses less digits than its factorization.

12485650637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 12485650637 in words is "twelve billion, four hundred eighty-five million, six hundred fifty thousand, six hundred thirty-seven".