12746305 has 16 divisors (see below), whose sum is σ = 17970624. Its totient is φ = 8556480.

The previous prime is 12746303. The next prime is 12746309. The reversal of 12746305 is 50364721.

It is not a de Polignac number, because 12746305 - 2¹ = 12746303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12746303) 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 15 ways as a sum of consecutive naturals, for example, 8199 + ... + 9628.

It is an arithmetic number, because the mean of its divisors is an integer number (1123164).

Almost surely, 2^12746305 is an apocalyptic number.

It is an amenable number.

12746305 is a deficient number, since it is larger than the sum of its proper divisors (5224319).

12746305 is a wasteful number, since it uses less digits than its factorization.

12746305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17856.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 12746305 is about 3570.1967732886. The cubic root of 12746305 is about 233.5938665842.

It can be divided in two parts, 127 and 46305, that multiplied together give a triangular number (5880735 = T₃₄₂₉).

The spelling of 12746305 in words is "twelve million, seven hundred forty-six thousand, three hundred five".