12540250786 has 8 divisors (see below), whose sum is σ = 21497572800. Its totient is φ = 5374393188.

The previous prime is 12540250771. The next prime is 12540250817. The reversal of 12540250786 is 68705204521.

12540250786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 447866086 + ... + 447866113.

It is an arithmetic number, because the mean of its divisors is an integer number (2687196600).

Almost surely, 2^12540250786 is an apocalyptic number.

12540250786 is a deficient number, since it is larger than the sum of its proper divisors (8957322014).

12540250786 is an equidigital number, since it uses as much as digits as its factorization.

12540250786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895732208.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 12540250786 in words is "twelve billion, five hundred forty million, two hundred fifty thousand, seven hundred eighty-six".