12963161 has 2 divisors, whose sum is σ = 12963162. Its totient is φ = 12963160.

The previous prime is 12963151. The next prime is 12963173. The reversal of 12963161 is 16136921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12559936 + 403225 = 3544^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 12963161 - 2¹⁰ = 12962137 is a prime.

It is a super-2 number, since 2×12963161² = 336087086223842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12963151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6481580 + 6481581.

It is an arithmetic number, because the mean of its divisors is an integer number (6481581).

Almost surely, 2^12963161 is an apocalyptic number.

It is an amenable number.

12963161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12963161 is an equidigital number, since it uses as much as digits as its factorization.

12963161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The square root of 12963161 is about 3600.4390010108. The cubic root of 12963161 is about 234.9111539804.

The spelling of 12963161 in words is "twelve million, nine hundred sixty-three thousand, one hundred sixty-one".