12688487537 has 32 divisors (see below), whose sum is σ = 14640998400. Its totient is φ = 10889524800.

The previous prime is 12688487507. The next prime is 12688487563. The reversal of 12688487537 is 73578488621.

It is not a de Polignac number, because 12688487537 - 2¹⁸ = 12688225393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12688487507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2968712 + ... + 2972982.

It is an arithmetic number, because the mean of its divisors is an integer number (457531200).

Almost surely, 2^12688487537 is an apocalyptic number.

It is an amenable number.

12688487537 is a deficient number, since it is larger than the sum of its proper divisors (1952510863).

12688487537 is a wasteful number, since it uses less digits than its factorization.

12688487537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517.

The product of its digits is 18063360, while the sum is 59.

The spelling of 12688487537 in words is "twelve billion, six hundred eighty-eight million, four hundred eighty-seven thousand, five hundred thirty-seven".