12534442726 has 8 divisors (see below), whose sum is σ = 20247945984. Its totient is φ = 5785127400.

The previous prime is 12534442663. The next prime is 12534442729. The reversal of 12534442726 is 62724443521.

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

It is a super-2 number, since 2×12534442726² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534442729) 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 3 ways as a sum of consecutive naturals, for example, 241046950 + ... + 241047001.

It is an arithmetic number, because the mean of its divisors is an integer number (2530993248).

Almost surely, 2^12534442726 is an apocalyptic number.

12534442726 is a deficient number, since it is larger than the sum of its proper divisors (7713503258).

12534442726 is a wasteful number, since it uses less digits than its factorization.

12534442726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482093966.

The product of its digits is 322560, while the sum is 40.

The spelling of 12534442726 in words is "twelve billion, five hundred thirty-four million, four hundred forty-two thousand, seven hundred twenty-six".