12647926590 has 64 divisors (see below), whose sum is σ = 32717260800. Its totient is φ = 3110742144.

The previous prime is 12647926469. The next prime is 12647926591. The reversal of 12647926590 is 9562974621.

12647926590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12647926591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478131 + ... + 503889.

It is an arithmetic number, because the mean of its divisors is an integer number (511207200).

Almost surely, 2^12647926590 is an apocalyptic number.

12647926590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12647926590 is an abundant number, since it is smaller than the sum of its proper divisors (20069334210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12647926590 is a wasteful number, since it uses less digits than its factorization.

12647926590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27041.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 12647926590 in words is "twelve billion, six hundred forty-seven million, nine hundred twenty-six thousand, five hundred ninety".