12655893 has 4 divisors (see below), whose sum is σ = 16874528. Its totient is φ = 8437260.

The previous prime is 12655873. The next prime is 12655897. The reversal of 12655893 is 39855621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12655893 - 2⁶ = 12655829 is a prime.

It is a Duffinian number.

It is a Curzon 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 in 3 ways as a sum of consecutive naturals, for example, 2109313 + ... + 2109318.

It is an arithmetic number, because the mean of its divisors is an integer number (4218632).

Almost surely, 2^12655893 is an apocalyptic number.

It is an amenable number.

12655893 is a deficient number, since it is larger than the sum of its proper divisors (4218635).

12655893 is an equidigital number, since it uses as much as digits as its factorization.

12655893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218634.

The product of its digits is 64800, while the sum is 39.

The square root of 12655893 is about 3557.5121925301. The cubic root of 12655893 is about 233.0402467516.

The spelling of 12655893 in words is "twelve million, six hundred fifty-five thousand, eight hundred ninety-three".