12862404 has 36 divisors (see below), whose sum is σ = 34427484. Its totient is φ = 4035072.

The previous prime is 12862393. The next prime is 12862439. The reversal of 12862404 is 40426821.

It can be written as a sum of positive squares in 2 ways, for example, as 3572100 + 9290304 = 1890^2 + 3048^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9897 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (956319).

Almost surely, 2^12862404 is an apocalyptic number.

It is an amenable number.

12862404 is an abundant number, since it is smaller than the sum of its proper divisors (21565080).

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

12862404 is a wasteful number, since it uses less digits than its factorization.

12862404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21044 (or 21039 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 12862404 is about 3586.4193842885. The cubic root of 12862404 is about 234.3009496197.

The spelling of 12862404 in words is "twelve million, eight hundred sixty-two thousand, four hundred four".