12705574385 has 8 divisors (see below), whose sum is σ = 17424787776. Its totient is φ = 8712393840.

The previous prime is 12705574381. The next prime is 12705574423. The reversal of 12705574385 is 58347550721.

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

It is not a de Polignac number, because 12705574385 - 2² = 12705574381 is a prime.

It is a super-2 number, since 2×12705574385² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12705574381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181508171 + ... + 181508240.

It is an arithmetic number, because the mean of its divisors is an integer number (2178098472).

Almost surely, 2^12705574385 is an apocalyptic number.

It is an amenable number.

12705574385 is a deficient number, since it is larger than the sum of its proper divisors (4719213391).

12705574385 is an equidigital number, since it uses as much as digits as its factorization.

12705574385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363016423.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 12705574385 in words is "twelve billion, seven hundred five million, five hundred seventy-four thousand, three hundred eighty-five".