12726465843 has 64 divisors (see below), whose sum is σ = 21372567552. Its totient is φ = 6556567680.

The previous prime is 12726465839. The next prime is 12726465883. The reversal of 12726465843 is 34856462721.

It is not a de Polignac number, because 12726465843 - 2² = 12726465839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12726465792 and 12726465801.

It is not an unprimeable number, because it can be changed into a prime (12726465883) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10405330 + ... + 10406552.

It is an arithmetic number, because the mean of its divisors is an integer number (333946368).

Almost surely, 2^12726465843 is an apocalyptic number.

12726465843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12726465843 is a deficient number, since it is larger than the sum of its proper divisors (8646101709).

12726465843 is a wasteful number, since it uses less digits than its factorization.

12726465843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104.

The product of its digits is 1935360, while the sum is 48.

The spelling of 12726465843 in words is "twelve billion, seven hundred twenty-six million, four hundred sixty-five thousand, eight hundred forty-three".