12814705 has 4 divisors (see below), whose sum is σ = 15377652. Its totient is φ = 10251760.

The previous prime is 12814679. The next prime is 12814709. The reversal of 12814705 is 50741821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1838736 + 10975969 = 1356^2 + 3313^2 .

It is not a de Polignac number, because 12814705 - 2¹⁹ = 12290417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12814709) by changing a digit.

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, 1281466 + ... + 1281475.

It is an arithmetic number, because the mean of its divisors is an integer number (3844413).

Almost surely, 2^12814705 is an apocalyptic number.

It is an amenable number.

12814705 is a deficient number, since it is larger than the sum of its proper divisors (2562947).

12814705 is an equidigital number, since it uses as much as digits as its factorization.

12814705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562946.

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

The square root of 12814705 is about 3579.7632603288. The cubic root of 12814705 is about 234.0109632772.

The spelling of 12814705 in words is "twelve million, eight hundred fourteen thousand, seven hundred five".