12186747494 has 8 divisors (see below), whose sum is σ = 18303894840. Its totient is φ = 6085449216.

The previous prime is 12186747479. The next prime is 12186747523. The reversal of 12186747494 is 49474768121.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3960344 + ... + 3963419.

It is an arithmetic number, because the mean of its divisors is an integer number (2287986855).

Almost surely, 2^12186747494 is an apocalyptic number.

12186747494 is a deficient number, since it is larger than the sum of its proper divisors (6117147346).

12186747494 is an equidigital number, since it uses as much as digits as its factorization.

12186747494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924534.

The product of its digits is 2709504, while the sum is 53.

The spelling of 12186747494 in words is "twelve billion, one hundred eighty-six million, seven hundred forty-seven thousand, four hundred ninety-four".