12746985 has 16 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 6702080.

The previous prime is 12746959. The next prime is 12746999. The reversal of 12746985 is 58964721.

It is not a de Polignac number, because 12746985 - 2⁵ = 12746953 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4920 + ... + 7049.

It is an arithmetic number, because the mean of its divisors is an integer number (1292760).

Almost surely, 2^12746985 is an apocalyptic number.

12746985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12746985 is a deficient number, since it is larger than the sum of its proper divisors (7937175).

12746985 is a wasteful number, since it uses less digits than its factorization.

12746985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12048.

The product of its digits is 120960, while the sum is 42.

The square root of 12746985 is about 3570.2920048646. The cubic root of 12746985 is about 233.5980204940.

It can be divided in two parts, 12746 and 985, that added together give a palindrome (13731).

The spelling of 12746985 in words is "twelve million, seven hundred forty-six thousand, nine hundred eighty-five".