12842687 has 8 divisors (see below), whose sum is σ = 15088080. Its totient is φ = 10776960.

The previous prime is 12842659. The next prime is 12842699. The reversal of 12842687 is 78624821.

12842687 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12842687 - 2⁶ = 12842623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12842687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12842647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44762 + ... + 45047.

It is an arithmetic number, because the mean of its divisors is an integer number (1886010).

Almost surely, 2^12842687 is an apocalyptic number.

12842687 is a deficient number, since it is larger than the sum of its proper divisors (2245393).

12842687 is a wasteful number, since it uses less digits than its factorization.

12842687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89833.

The product of its digits is 43008, while the sum is 38.

The square root of 12842687 is about 3583.6694881085. The cubic root of 12842687 is about 234.1811670767.

The spelling of 12842687 in words is "twelve million, eight hundred forty-two thousand, six hundred eighty-seven".