12655144 has 16 divisors (see below), whose sum is σ = 23797620. Its totient is φ = 6309120.

The previous prime is 12655141. The next prime is 12655171. The reversal of 12655144 is 44155621.

It can be written as a sum of positive squares in 2 ways, for example, as 11142244 + 1512900 = 3338^2 + 1230^2 .

It is not an unprimeable number, because it can be changed into a prime (12655141) 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, 864 + ... + 5104.

Almost surely, 2^12655144 is an apocalyptic number.

It is an amenable number.

12655144 is a deficient number, since it is larger than the sum of its proper divisors (11142476).

12655144 is a wasteful number, since it uses less digits than its factorization.

12655144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620 (or 4616 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 12655144 is about 3557.4069207781. The cubic root of 12655144 is about 233.0356494048.

The spelling of 12655144 in words is "twelve million, six hundred fifty-five thousand, one hundred forty-four".