12397246845 has 32 divisors (see below), whose sum is σ = 20154579840. Its totient is φ = 6505762560.

The previous prime is 12397246819. The next prime is 12397246867. The reversal of 12397246845 is 54864279321.

It is not a de Polignac number, because 12397246845 - 2⁹ = 12397246333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 939151 + ... + 952259.

It is an arithmetic number, because the mean of its divisors is an integer number (629830620).

Almost surely, 2^12397246845 is an apocalyptic number.

12397246845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12397246845 is a deficient number, since it is larger than the sum of its proper divisors (7757332995).

12397246845 is a wasteful number, since it uses less digits than its factorization.

12397246845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14125.

The product of its digits is 2903040, while the sum is 51.

The spelling of 12397246845 in words is "twelve billion, three hundred ninety-seven million, two hundred forty-six thousand, eight hundred forty-five".