12663158 has 12 divisors (see below), whose sum is σ = 20048220. Its totient is φ = 5997996.

The previous prime is 12663143. The next prime is 12663191. The reversal of 12663158 is 85136621.

It is a happy number.

12663158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8048 + ... + 9491.

It is an arithmetic number, because the mean of its divisors is an integer number (1670685).

Almost surely, 2^12663158 is an apocalyptic number.

12663158 is a deficient number, since it is larger than the sum of its proper divisors (7385062).

12663158 is a wasteful number, since it uses less digits than its factorization.

12663158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17579 (or 17560 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 12663158 is about 3558.5331247580. The cubic root of 12663158 is about 233.0848297649.

Adding to 12663158 its reverse (85136621), we get a palindrome (97799779).

It can be divided in two parts, 12663 and 158, that added together give a palindrome (12821).

The spelling of 12663158 in words is "twelve million, six hundred sixty-three thousand, one hundred fifty-eight".