12758485 has 4 divisors (see below), whose sum is σ = 15310188. Its totient is φ = 10206784.

The previous prime is 12758461. The next prime is 12758497. The reversal of 12758485 is 58485721.

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 2531281 + 10227204 = 1591^2 + 3198^2 .

It is a cyclic number.

It is not a de Polignac number, because 12758485 - 2¹¹ = 12756437 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275844 + ... + 1275853.

It is an arithmetic number, because the mean of its divisors is an integer number (3827547).

Almost surely, 2^12758485 is an apocalyptic number.

It is an amenable number.

12758485 is a deficient number, since it is larger than the sum of its proper divisors (2551703).

12758485 is an equidigital number, since it uses as much as digits as its factorization.

12758485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551702.

The product of its digits is 89600, while the sum is 40.

The square root of 12758485 is about 3571.9021543150. The cubic root of 12758485 is about 233.6682480754.

The spelling of 12758485 in words is "twelve million, seven hundred fifty-eight thousand, four hundred eighty-five".