12895321 has 2 divisors, whose sum is σ = 12895322. Its totient is φ = 12895320.

The previous prime is 12895307. The next prime is 12895327. The reversal of 12895321 is 12359821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 14400 = 3589^2 + 120^2 .

It is an emirp because it is prime and its reverse (12359821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12895321 - 2⁷ = 12895193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12895327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447660 + 6447661.

It is an arithmetic number, because the mean of its divisors is an integer number (6447661).

Almost surely, 2^12895321 is an apocalyptic number.

It is an amenable number.

12895321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12895321 is an equidigital number, since it uses as much as digits as its factorization.

12895321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 12895321 is about 3591.0055694749. The cubic root of 12895321 is about 234.5006508712.

The spelling of 12895321 in words is "twelve million, eight hundred ninety-five thousand, three hundred twenty-one".