12663207 has 6 divisors (see below), whose sum is σ = 18291312. Its totient is φ = 8442132.

The previous prime is 12663197. The next prime is 12663223. The reversal of 12663207 is 70236621.

It is a happy number.

12663207 is a `hidden beast` number, since 1 + 26 + 632 + 0 + 7 = 666.

12663207 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12663207 - 2⁴ = 12663191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663247) 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, 703503 + ... + 703520.

It is an arithmetic number, because the mean of its divisors is an integer number (3048552).

Almost surely, 2^12663207 is an apocalyptic number.

12663207 is a deficient number, since it is larger than the sum of its proper divisors (5628105).

12663207 is a wasteful number, since it uses less digits than its factorization.

12663207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407029 (or 1407026 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 12663207 is about 3558.5400096107. The cubic root of 12663207 is about 233.0851304046.

Adding to 12663207 its reverse (70236621), we get a palindrome (82899828).

The spelling of 12663207 in words is "twelve million, six hundred sixty-three thousand, two hundred seven".