12663315406 has 16 divisors (see below), whose sum is σ = 21854239200. Its totient is φ = 5390710560.

The previous prime is 12663315403. The next prime is 12663315437. The reversal of 12663315406 is 60451336621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663315403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3033225 + ... + 3037396.

It is an arithmetic number, because the mean of its divisors is an integer number (1365889950).

Almost surely, 2^12663315406 is an apocalyptic number.

12663315406 is a deficient number, since it is larger than the sum of its proper divisors (9190923794).

12663315406 is a wasteful number, since it uses less digits than its factorization.

12663315406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070779.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 12663315406 in words is "twelve billion, six hundred sixty-three million, three hundred fifteen thousand, four hundred six".