12705837458 has 8 divisors (see below), whose sum is σ = 19063668540. Its totient is φ = 6351281280.

The previous prime is 12705837427. The next prime is 12705837493. The reversal of 12705837458 is 85473850721.

12705837458 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12171164329 + 534673129 = 110323^2 + 23123^2 .

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

It is a super-2 number, since 2×12705837458² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809003 + ... + 824558.

Almost surely, 2^12705837458 is an apocalyptic number.

12705837458 is a deficient number, since it is larger than the sum of its proper divisors (6357831082).

12705837458 is a wasteful number, since it uses less digits than its factorization.

12705837458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637452.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 12705837458 in words is "twelve billion, seven hundred five million, eight hundred thirty-seven thousand, four hundred fifty-eight".