12868404 has 12 divisors (see below), whose sum is σ = 30026304. Its totient is φ = 4289464.

The previous prime is 12868399. The next prime is 12868411. The reversal of 12868404 is 40486821.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536172 + ... + 536195.

It is an arithmetic number, because the mean of its divisors is an integer number (2502192).

Almost surely, 2^12868404 is an apocalyptic number.

It is an amenable number.

12868404 is an abundant number, since it is smaller than the sum of its proper divisors (17157900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12868404 is a wasteful number, since it uses less digits than its factorization.

12868404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072374 (or 1072372 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 12868404 is about 3587.2557756592. The cubic root of 12868404 is about 234.3373758628.

The spelling of 12868404 in words is "twelve million, eight hundred sixty-eight thousand, four hundred four".