12855412 has 6 divisors (see below), whose sum is σ = 22496978. Its totient is φ = 6427704.

The previous prime is 12855407. The next prime is 12855449. The reversal of 12855412 is 21455821.

It can be written as a sum of positive squares in only one way, i.e., 9771876 + 3083536 = 3126^2 + 1756^2 .

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, 1606923 + ... + 1606930.

Almost surely, 2^12855412 is an apocalyptic number.

It is an amenable number.

12855412 is a deficient number, since it is larger than the sum of its proper divisors (9641566).

12855412 is a wasteful number, since it uses less digits than its factorization.

12855412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213857 (or 3213855 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 12855412 is about 3585.4444633825. Note that the first 4 decimals coincide. The cubic root of 12855412 is about 234.2584866095.

The spelling of 12855412 in words is "twelve million, eight hundred fifty-five thousand, four hundred twelve".