12937004658 has 162 divisors, whose sum is σ = 31808824749. Its totient is φ = 3798728064.

The previous prime is 12937004653. The next prime is 12937004669. The reversal of 12937004658 is 85640073921.

It can be written as a sum of positive squares in 2 ways, for example, as 11840268969 + 1096735689 = 108813^2 + 33117^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=80427.

It is a super-2 number, since 2×12937004658² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12937004653) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 155867485 + ... + 155867567.

It is a 2-persistent number, because it is pandigital, and so is 2⋅12937004658 = 25874009316, but 3⋅12937004658 = 38811013974 is not.

Almost surely, 2^12937004658 is an apocalyptic number.

12937004658 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12937004658

12937004658 is an abundant number, since it is smaller than the sum of its proper divisors (18871820091).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12937004658 is a wasteful number, since it uses less digits than its factorization.

12937004658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 12937004658 in words is "twelve billion, nine hundred thirty-seven million, four thousand, six hundred fifty-eight".