12537606033 has 16 divisors (see below), whose sum is σ = 18606897600. Its totient is φ = 8343704160.

The previous prime is 12537606001. The next prime is 12537606049. The reversal of 12537606033 is 33060673521.

12537606033 is a `hidden beast` number, since 1 + 2 + 537 + 60 + 60 + 3 + 3 = 666.

It is not a de Polignac number, because 12537606033 - 2⁵ = 12537606001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12537606073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392683 + ... + 423408.

It is an arithmetic number, because the mean of its divisors is an integer number (1162931100).

Almost surely, 2^12537606033 is an apocalyptic number.

It is an amenable number.

12537606033 is a deficient number, since it is larger than the sum of its proper divisors (6069291567).

12537606033 is an equidigital number, since it uses as much as digits as its factorization.

12537606033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816669 (or 816663 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The spelling of 12537606033 in words is "twelve billion, five hundred thirty-seven million, six hundred six thousand, thirty-three".