12560280406 has 8 divisors (see below), whose sum is σ = 19349621280. Its totient is φ = 6110406648.

The previous prime is 12560280401. The next prime is 12560280407. The reversal of 12560280406 is 60408206521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12560280401) by changing a digit.

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, 84866686 + ... + 84866833.

It is an arithmetic number, because the mean of its divisors is an integer number (2418702660).

Almost surely, 2^12560280406 is an apocalyptic number.

12560280406 is a deficient number, since it is larger than the sum of its proper divisors (6789340874).

12560280406 is a wasteful number, since it uses less digits than its factorization.

12560280406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169733558.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 12560280406 its reverse (60408206521), we get a palindrome (72968486927).

The spelling of 12560280406 in words is "twelve billion, five hundred sixty million, two hundred eighty thousand, four hundred six".