12663413 has 6 divisors (see below), whose sum is σ = 14730966. Its totient is φ = 10854312.

The previous prime is 12663403. The next prime is 12663433. The reversal of 12663413 is 31436621.

12663413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12545764 + 117649 = 3542^2 + 343^2 .

It is not a de Polignac number, because 12663413 - 2⁴ = 12663397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129170 + ... + 129267.

It is an arithmetic number, because the mean of its divisors is an integer number (2455161).

Almost surely, 2^12663413 is an apocalyptic number.

It is an amenable number.

12663413 is a deficient number, since it is larger than the sum of its proper divisors (2067553).

12663413 is an equidigital number, since it uses as much as digits as its factorization.

12663413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258451 (or 258444 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 12663413 is about 3558.5689539476. The cubic root of 12663413 is about 233.0863943097.

The spelling of 12663413 in words is "twelve million, six hundred sixty-three thousand, four hundred thirteen".