12537034065 has 32 divisors (see below), whose sum is σ = 22416935040. Its totient is φ = 6647755968.

The previous prime is 12537034057. The next prime is 12537034067. The reversal of 12537034065 is 56043073521.

12537034065 is a `hidden beast` number, since 1 + 253 + 7 + 0 + 340 + 65 = 666.

It is not a de Polignac number, because 12537034065 - 2³ = 12537034057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12537034067) 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 31 ways as a sum of consecutive naturals, for example, 245047 + ... + 291756.

It is an arithmetic number, because the mean of its divisors is an integer number (700529220).

Almost surely, 2^12537034065 is an apocalyptic number.

12537034065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12537034065 is a deficient number, since it is larger than the sum of its proper divisors (9879900975).

12537034065 is a wasteful number, since it uses less digits than its factorization.

12537034065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536990 (or 536984 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 12537034065 in words is "twelve billion, five hundred thirty-seven million, thirty-four thousand, sixty-five".