12783412 has 12 divisors (see below), whose sum is σ = 22750560. Its totient is φ = 6283256.

The previous prime is 12783401. The next prime is 12783451. The reversal of 12783412 is 21438721.

It is an alternating number because its digits alternate between odd and even.

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, 26848 + ... + 27319.

It is an arithmetic number, because the mean of its divisors is an integer number (1895880).

Almost surely, 2^12783412 is an apocalyptic number.

It is an amenable number.

12783412 is a deficient number, since it is larger than the sum of its proper divisors (9967148).

12783412 is a wasteful number, since it uses less digits than its factorization.

12783412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54230 (or 54228 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 12783412 is about 3575.3897689623. The cubic root of 12783412 is about 233.8203261948.

The spelling of 12783412 in words is "twelve million, seven hundred eighty-three thousand, four hundred twelve".