12634044367 has 16 divisors (see below), whose sum is σ = 14620684032. Its totient is φ = 10693500480.

The previous prime is 12634044361. The next prime is 12634044403. The reversal of 12634044367 is 76344043621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12634044367 - 2²³ = 12625655759 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 (12634044361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207492 + ... + 261382.

It is an arithmetic number, because the mean of its divisors is an integer number (913792752).

Almost surely, 2^12634044367 is an apocalyptic number.

12634044367 is a deficient number, since it is larger than the sum of its proper divisors (1986639665).

12634044367 is a wasteful number, since it uses less digits than its factorization.

12634044367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54318.

The product of its (nonzero) digits is 290304, while the sum is 40.

Adding to 12634044367 its reverse (76344043621), we get a palindrome (88978087988).

The spelling of 12634044367 in words is "twelve billion, six hundred thirty-four million, forty-four thousand, three hundred sixty-seven".