12397246844 has 36 divisors (see below), whose sum is σ = 22996026144. Its totient is φ = 5847018048.

The previous prime is 12397246819. The next prime is 12397246867. The reversal of 12397246844 is 44864279321.

It is a super-2 number, since 2×12397246844² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12397246792 and 12397246801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318029 + ... + 354875.

It is an arithmetic number, because the mean of its divisors is an integer number (638778504).

Almost surely, 2^12397246844 is an apocalyptic number.

It is an amenable number.

12397246844 is a deficient number, since it is larger than the sum of its proper divisors (10598779300).

12397246844 is a wasteful number, since it uses less digits than its factorization.

12397246844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37122 (or 37101 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 50.

The spelling of 12397246844 in words is "twelve billion, three hundred ninety-seven million, two hundred forty-six thousand, eight hundred forty-four".