12705907274 has 8 divisors (see below), whose sum is σ = 19060627620. Its totient is φ = 6352364736.

The previous prime is 12705907243. The next prime is 12705907301. The reversal of 12705907274 is 47270950721.

It can be written as a sum of positive squares in 2 ways, for example, as 9651687049 + 3054220225 = 98243^2 + 55265^2 .

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

It is a super-2 number, since 2×12705907274² (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, 266969 + ... + 310940.

Almost surely, 2^12705907274 is an apocalyptic number.

12705907274 is a deficient number, since it is larger than the sum of its proper divisors (6354720346).

12705907274 is a wasteful number, since it uses less digits than its factorization.

12705907274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588904.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 12705907274 in words is "twelve billion, seven hundred five million, nine hundred seven thousand, two hundred seventy-four".