12391486683 has 8 divisors (see below), whose sum is σ = 16540612608. Its totient is φ = 8251675944.

The previous prime is 12391486603. The next prime is 12391486699. The reversal of 12391486683 is 38668419321.

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

It is a de Polignac number, because none of the positive numbers 2^k-12391486683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12391486603) 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, 2325691 + ... + 2331012.

It is an arithmetic number, because the mean of its divisors is an integer number (2067576576).

Almost surely, 2^12391486683 is an apocalyptic number.

12391486683 is a deficient number, since it is larger than the sum of its proper divisors (4149125925).

12391486683 is an equidigital number, since it uses as much as digits as its factorization.

12391486683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657593.

The product of its digits is 1492992, while the sum is 51.

It can be divided in two parts, 1239148 and 6683, that added together give a triangular number (1245831 = T₁₅₇₈).

The spelling of 12391486683 in words is "twelve billion, three hundred ninety-one million, four hundred eighty-six thousand, six hundred eighty-three".