12886684437 has 32 divisors (see below), whose sum is σ = 19924320384. Its totient is φ = 7322009600.

The previous prime is 12886684429. The next prime is 12886684451. The reversal of 12886684437 is 73448668821.

It is a cyclic number.

It is not a de Polignac number, because 12886684437 - 2³ = 12886684429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12886684427) 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 31 ways as a sum of consecutive naturals, for example, 99487 + ... + 188867.

It is an arithmetic number, because the mean of its divisors is an integer number (622635012).

Almost surely, 2^12886684437 is an apocalyptic number.

12886684437 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12886684437 is a deficient number, since it is larger than the sum of its proper divisors (7037635947).

12886684437 is a wasteful number, since it uses less digits than its factorization.

12886684437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89669.

The product of its digits is 12386304, while the sum is 57.

The spelling of 12886684437 in words is "twelve billion, eight hundred eighty-six million, six hundred eighty-four thousand, four hundred thirty-seven".