12318038687 has 8 divisors (see below), whose sum is σ = 13092225696. Its totient is φ = 11549362432.

The previous prime is 12318038683. The next prime is 12318038693. The reversal of 12318038687 is 78683081321.

It is a happy number.

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 12318038687 - 2² = 12318038683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318038683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373078 + ... + 1382019.

It is an arithmetic number, because the mean of its divisors is an integer number (1636528212).

Almost surely, 2^12318038687 is an apocalyptic number.

12318038687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12318038687 is a deficient number, since it is larger than the sum of its proper divisors (774187009).

12318038687 is a wasteful number, since it uses less digits than its factorization.

12318038687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755377.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 12318038687 in words is "twelve billion, three hundred eighteen million, thirty-eight thousand, six hundred eighty-seven".