12655705 has 8 divisors (see below), whose sum is σ = 15206400. Its totient is φ = 10111536.

The previous prime is 12655703. The next prime is 12655733. The reversal of 12655705 is 50755621.

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

It is a cyclic number.

It is not a de Polignac number, because 12655705 - 2¹ = 12655703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12655703) 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, 5406 + ... + 7384.

It is an arithmetic number, because the mean of its divisors is an integer number (1900800).

Almost surely, 2^12655705 is an apocalyptic number.

It is an amenable number.

12655705 is a deficient number, since it is larger than the sum of its proper divisors (2550695).

12655705 is a wasteful number, since it uses less digits than its factorization.

12655705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 12655705 is about 3557.4857694726. The cubic root of 12655705 is about 233.0390928285.

The spelling of 12655705 in words is "twelve million, six hundred fifty-five thousand, seven hundred five".