12724246446 has 16 divisors (see below), whose sum is σ = 25879824000. Its totient is φ = 4169526968.

The previous prime is 12724246433. The next prime is 12724246489. The reversal of 12724246446 is 64464242721.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12724246398 and 12724246407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17971746 + ... + 17972453.

It is an arithmetic number, because the mean of its divisors is an integer number (1617489000).

Almost surely, 2^12724246446 is an apocalyptic number.

12724246446 is an abundant number, since it is smaller than the sum of its proper divisors (13155577554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12724246446 is a wasteful number, since it uses less digits than its factorization.

12724246446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35944263.

The product of its digits is 516096, while the sum is 42.

The spelling of 12724246446 in words is "twelve billion, seven hundred twenty-four million, two hundred forty-six thousand, four hundred forty-six".