12986475567 has 8 divisors (see below), whose sum is σ = 18647247024. Its totient is φ = 7991677248.

The previous prime is 12986475521. The next prime is 12986475571. The reversal of 12986475567 is 76557468921.

It is a happy number.

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

It is not a de Polignac number, because 12986475567 - 2⁶ = 12986475503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12986475567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12986473567) 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, 166493238 + ... + 166493315.

It is an arithmetic number, because the mean of its divisors is an integer number (2330905878).

Almost surely, 2^12986475567 is an apocalyptic number.

12986475567 is a deficient number, since it is larger than the sum of its proper divisors (5660771457).

12986475567 is a wasteful number, since it uses less digits than its factorization.

12986475567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332986569.

The product of its digits is 25401600, while the sum is 60.

The spelling of 12986475567 in words is "twelve billion, nine hundred eighty-six million, four hundred seventy-five thousand, five hundred sixty-seven".