12660026137 has 16 divisors (see below), whose sum is σ = 14491975680. Its totient is φ = 10947178000.

The previous prime is 12660026111. The next prime is 12660026143. The reversal of 12660026137 is 73162006621.

It is a happy number.

12660026137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12660026137 - 2¹¹ = 12660024089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12660006137) 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 15 ways as a sum of consecutive naturals, for example, 94489 + ... + 185062.

It is an arithmetic number, because the mean of its divisors is an integer number (905748480).

Almost surely, 2^12660026137 is an apocalyptic number.

It is an amenable number.

12660026137 is a deficient number, since it is larger than the sum of its proper divisors (1831949543).

12660026137 is a wasteful number, since it uses less digits than its factorization.

12660026137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279764.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 12660026137 in words is "twelve billion, six hundred sixty million, twenty-six thousand, one hundred thirty-seven".