12655361 has 12 divisors (see below), whose sum is σ = 13731588. Its totient is φ = 11622912.

The previous prime is 12655333. The next prime is 12655367. The reversal of 12655361 is 16355621.

It can be written as a sum of positive squares in 2 ways, for example, as 6682225 + 5973136 = 2585^2 + 2444^2 .

It is not a de Polignac number, because 12655361 - 2¹⁰ = 12654337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12655367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37385 + ... + 37721.

It is an arithmetic number, because the mean of its divisors is an integer number (1144299).

Almost surely, 2^12655361 is an apocalyptic number.

It is an amenable number.

12655361 is a deficient number, since it is larger than the sum of its proper divisors (1076227).

12655361 is an equidigital number, since it uses as much as digits as its factorization.

12655361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 401 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 12655361 is about 3557.4374203913. The cubic root of 12655361 is about 233.0369813651.

The spelling of 12655361 in words is "twelve million, six hundred fifty-five thousand, three hundred sixty-one".