12663485 has 4 divisors (see below), whose sum is σ = 15196188. Its totient is φ = 10130784.

The previous prime is 12663479. The next prime is 12663493. The reversal of 12663485 is 58436621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58436621 = 71 ⋅823051.

It can be written as a sum of positive squares in 2 ways, for example, as 4923961 + 7739524 = 2219^2 + 2782^2 .

It is a cyclic number.

It is not a de Polignac number, because 12663485 - 2¹² = 12659389 is a prime.

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, 1266344 + ... + 1266353.

It is an arithmetic number, because the mean of its divisors is an integer number (3799047).

Almost surely, 2^12663485 is an apocalyptic number.

It is an amenable number.

12663485 is a deficient number, since it is larger than the sum of its proper divisors (2532703).

12663485 is an equidigital number, since it uses as much as digits as its factorization.

12663485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532702.

The product of its digits is 34560, while the sum is 35.

The square root of 12663485 is about 3558.5790703594. The cubic root of 12663485 is about 233.0868360597.

The spelling of 12663485 in words is "twelve million, six hundred sixty-three thousand, four hundred eighty-five".