12663613226 has 8 divisors (see below), whose sum is σ = 20722276224. Its totient is φ = 5756187820.

The previous prime is 12663613211. The next prime is 12663613231. The reversal of 12663613226 is 62231636621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12663613226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287809370 + ... + 287809413.

It is an arithmetic number, because the mean of its divisors is an integer number (2590284528).

Almost surely, 2^12663613226 is an apocalyptic number.

12663613226 is a deficient number, since it is larger than the sum of its proper divisors (8058662998).

12663613226 is a wasteful number, since it uses less digits than its factorization.

12663613226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575618796.

The product of its digits is 93312, while the sum is 38.

The spelling of 12663613226 in words is "twelve billion, six hundred sixty-three million, six hundred thirteen thousand, two hundred twenty-six".