12655193 has 2 divisors, whose sum is σ = 12655194. Its totient is φ = 12655192.

The previous prime is 12655171. The next prime is 12655219. The reversal of 12655193 is 39155621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12581209 + 73984 = 3547^2 + 272^2 .

It is an emirp because it is prime and its reverse (39155621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12655193 - 2¹² = 12651097 is a prime.

It is not a weakly prime, because it can be changed into another prime (12655103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327596 + 6327597.

It is an arithmetic number, because the mean of its divisors is an integer number (6327597).

Almost surely, 2^12655193 is an apocalyptic number.

It is an amenable number.

12655193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12655193 is an equidigital number, since it uses as much as digits as its factorization.

12655193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 32.

The square root of 12655193 is about 3557.4138078104. The cubic root of 12655193 is about 233.0359501713.

The spelling of 12655193 in words is "twelve million, six hundred fifty-five thousand, one hundred ninety-three".