12655894 has 4 divisors (see below), whose sum is σ = 18983844. Its totient is φ = 6327946.

The previous prime is 12655873. The next prime is 12655897. The reversal of 12655894 is 49855621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49855621 = 1301 ⋅38321.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12655897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3163972 + ... + 3163975.

It is an arithmetic number, because the mean of its divisors is an integer number (4745961).

Almost surely, 2^12655894 is an apocalyptic number.

12655894 is a deficient number, since it is larger than the sum of its proper divisors (6327950).

12655894 is an equidigital number, since it uses as much as digits as its factorization.

12655894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327949.

The product of its digits is 86400, while the sum is 40.

The square root of 12655894 is about 3557.5123330777. The cubic root of 12655894 is about 233.0402528895.

The spelling of 12655894 in words is "twelve million, six hundred fifty-five thousand, eight hundred ninety-four".