12955081 has 2 divisors, whose sum is σ = 12955082. Its totient is φ = 12955080.

The previous prime is 12955073. The next prime is 12955087. The reversal of 12955081 is 18055921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11833600 + 1121481 = 3440^2 + 1059^2 .

It is a cyclic number.

It is not a de Polignac number, because 12955081 - 2³ = 12955073 is a prime.

It is a super-2 number, since 2×12955081² = 335668247433122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12955087) 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, 6477540 + 6477541.

It is an arithmetic number, because the mean of its divisors is an integer number (6477541).

Almost surely, 2^12955081 is an apocalyptic number.

It is an amenable number.

12955081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12955081 is an equidigital number, since it uses as much as digits as its factorization.

12955081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 12955081 is about 3599.3167407162. The cubic root of 12955081 is about 234.8623367559.

The spelling of 12955081 in words is "twelve million, nine hundred fifty-five thousand, eighty-one".