12626655406 has 8 divisors (see below), whose sum is σ = 18970582680. Its totient is φ = 6303127848.

The previous prime is 12626655397. The next prime is 12626655413. The reversal of 12626655406 is 60455662621.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5098381 + ... + 5100856.

It is an arithmetic number, because the mean of its divisors is an integer number (2371322835).

Almost surely, 2^12626655406 is an apocalyptic number.

12626655406 is a deficient number, since it is larger than the sum of its proper divisors (6343927274).

12626655406 is a wasteful number, since it uses less digits than its factorization.

12626655406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10199858.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 12626655406 in words is "twelve billion, six hundred twenty-six million, six hundred fifty-five thousand, four hundred six".