12869812 has 6 divisors (see below), whose sum is σ = 22522178. Its totient is φ = 6434904.

The previous prime is 12869809. The next prime is 12869837. The reversal of 12869812 is 21896821.

It can be written as a sum of positive squares in only one way, i.e., 12645136 + 224676 = 3556^2 + 474^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608723 + ... + 1608730.

Almost surely, 2^12869812 is an apocalyptic number.

It is an amenable number.

12869812 is a deficient number, since it is larger than the sum of its proper divisors (9652366).

12869812 is a wasteful number, since it uses less digits than its factorization.

12869812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217457 (or 3217455 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 12869812 is about 3587.4520205851. The cubic root of 12869812 is about 234.3459222474.

The spelling of 12869812 in words is "twelve million, eight hundred sixty-nine thousand, eight hundred twelve".