12893705 has 8 divisors (see below), whose sum is σ = 16879104. Its totient is φ = 9377200.

The previous prime is 12893689. The next prime is 12893707. The reversal of 12893705 is 50739821.

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

It is not a de Polignac number, because 12893705 - 2⁴ = 12893689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12893707) 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 7 ways as a sum of consecutive naturals, for example, 117161 + ... + 117270.

It is an arithmetic number, because the mean of its divisors is an integer number (2109888).

Almost surely, 2^12893705 is an apocalyptic number.

It is an amenable number.

12893705 is a deficient number, since it is larger than the sum of its proper divisors (3985399).

12893705 is a wasteful number, since it uses less digits than its factorization.

12893705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234447.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 12893705 is about 3590.7805558123. The cubic root of 12893705 is about 234.4908548404.

It can be divided in two parts, 1289 and 3705, that added together give a palindrome (4994).

The spelling of 12893705 in words is "twelve million, eight hundred ninety-three thousand, seven hundred five".