12705814 has 8 divisors (see below), whose sum is σ = 20791368. Its totient is φ = 5775360.

The previous prime is 12705811. The next prime is 12705829. The reversal of 12705814 is 41850721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12705814² = 322875418805192, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12705811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288747 + ... + 288790.

It is an arithmetic number, because the mean of its divisors is an integer number (2598921).

Almost surely, 2^12705814 is an apocalyptic number.

12705814 is a deficient number, since it is larger than the sum of its proper divisors (8085554).

12705814 is a wasteful number, since it uses less digits than its factorization.

12705814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577550.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12705814 is about 3564.5215667744. The cubic root of 12705814 is about 233.3462527994.

The spelling of 12705814 in words is "twelve million, seven hundred five thousand, eight hundred fourteen".