12869642 has 16 divisors (see below), whose sum is σ = 19863360. Its totient is φ = 6250272.

The previous prime is 12869609. The next prime is 12869651. The reversal of 12869642 is 24696821.

It is a junction number, because it is equal to n+sod(n) for n = 12869596 and 12869605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22334 + ... + 22902.

It is an arithmetic number, because the mean of its divisors is an integer number (1241460).

Almost surely, 2^12869642 is an apocalyptic number.

12869642 is a deficient number, since it is larger than the sum of its proper divisors (6993718).

12869642 is a wasteful number, since it uses less digits than its factorization.

12869642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its digits is 41472, while the sum is 38.

The square root of 12869642 is about 3587.4283268102. The cubic root of 12869642 is about 234.3448904017.

The spelling of 12869642 in words is "twelve million, eight hundred sixty-nine thousand, six hundred forty-two".