12467538067 has 4 divisors (see below), whose sum is σ = 12469505040. Its totient is φ = 12465571096.

The previous prime is 12467538059. The next prime is 12467538073. The reversal of 12467538067 is 76083576421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76083576421 = 19 ⋅4004398759.

It is a cyclic number.

It is not a de Polignac number, because 12467538067 - 2³ = 12467538059 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 12467538067.

It is not an unprimeable number, because it can be changed into a prime (12467538767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973948 + ... + 986665.

It is an arithmetic number, because the mean of its divisors is an integer number (3117376260).

Almost surely, 2^12467538067 is an apocalyptic number.

12467538067 is a deficient number, since it is larger than the sum of its proper divisors (1966973).

12467538067 is an equidigital number, since it uses as much as digits as its factorization.

12467538067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966972.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 12467538067 in words is "twelve billion, four hundred sixty-seven million, five hundred thirty-eight thousand, sixty-seven".