12246705787 has 8 divisors (see below), whose sum is σ = 12780896256. Its totient is φ = 11712659112.

The previous prime is 12246705727. The next prime is 12246705799. The reversal of 12246705787 is 78750764221.

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

It is a cyclic number.

It is not a de Polignac number, because 12246705787 - 2¹¹ = 12246703739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12246705787.

It is not an unprimeable number, because it can be changed into a prime (12246705727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161158 + ... + 224644.

It is an arithmetic number, because the mean of its divisors is an integer number (1597612032).

Almost surely, 2^12246705787 is an apocalyptic number.

12246705787 is a deficient number, since it is larger than the sum of its proper divisors (534190469).

12246705787 is an equidigital number, since it uses as much as digits as its factorization.

12246705787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71897.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 12246705787 in words is "twelve billion, two hundred forty-six million, seven hundred five thousand, seven hundred eighty-seven".