12340973637 has 24 divisors (see below), whose sum is σ = 18392075520. Its totient is φ = 7968870720.

The previous prime is 12340973581. The next prime is 12340973653. The reversal of 12340973637 is 73637904321.

It is a happy number.

12340973637 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 0 + 9 + 7 + 3 + 637 = 666.

It is not a de Polignac number, because 12340973637 - 2¹¹ = 12340971589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12340973592 and 12340973601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340973677) 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, 69013 + ... + 171594.

It is an arithmetic number, because the mean of its divisors is an integer number (766336480).

Almost surely, 2^12340973637 is an apocalyptic number.

It is an amenable number.

12340973637 is a deficient number, since it is larger than the sum of its proper divisors (6051101883).

12340973637 is a wasteful number, since it uses less digits than its factorization.

12340973637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240793 (or 240790 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The spelling of 12340973637 in words is "twelve billion, three hundred forty million, nine hundred seventy-three thousand, six hundred thirty-seven".