12937097538 has 48 divisors (see below), whose sum is σ = 28145551200. Its totient is φ = 4294684800.

The previous prime is 12937097531. The next prime is 12937097539. The reversal of 12937097538 is 83579073921.

12937097538 is a `hidden beast` number, since 12 + 9 + 3 + 7 + 0 + 97 + 538 = 666.

It is a super-2 number, since 2×12937097538² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12937097531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8192433 + ... + 8194011.

It is an arithmetic number, because the mean of its divisors is an integer number (586365650).

Almost surely, 2^12937097538 is an apocalyptic number.

12937097538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12937097538 is an abundant number, since it is smaller than the sum of its proper divisors (15208453662).

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

12937097538 is a wasteful number, since it uses less digits than its factorization.

12937097538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167 (or 3164 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 12937097538 in words is "twelve billion, nine hundred thirty-seven million, ninety-seven thousand, five hundred thirty-eight".