12745655 has 8 divisors (see below), whose sum is σ = 16471392. Its totient is φ = 9412128.

The previous prime is 12745651. The next prime is 12745661. The reversal of 12745655 is 55654721.

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 12745655 - 2² = 12745651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745651) 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, 97979 + ... + 98108.

It is an arithmetic number, because the mean of its divisors is an integer number (2058924).

Almost surely, 2^12745655 is an apocalyptic number.

12745655 is a deficient number, since it is larger than the sum of its proper divisors (3725737).

12745655 is a wasteful number, since it uses less digits than its factorization.

12745655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196105.

The product of its digits is 42000, while the sum is 35.

The square root of 12745655 is about 3570.1057407309. The cubic root of 12745655 is about 233.5898957970.

The spelling of 12745655 in words is "twelve million, seven hundred forty-five thousand, six hundred fifty-five".