12175081 has 2 divisors, whose sum is σ = 12175082. Its totient is φ = 12175080.

The previous prime is 12175061. The next prime is 12175087. The reversal of 12175081 is 18057121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11289600 + 885481 = 3360^2 + 941^2 .

It is a cyclic number.

It is not a de Polignac number, because 12175081 - 2⁵ = 12175049 is a prime.

It is a super-2 number, since 2×12175081² = 296465194713122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12175087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6087540 + 6087541.

It is an arithmetic number, because the mean of its divisors is an integer number (6087541).

Almost surely, 2^12175081 is an apocalyptic number.

It is an amenable number.

12175081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12175081 is an equidigital number, since it uses as much as digits as its factorization.

12175081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 12175081 is about 3489.2808714691. The cubic root of 12175081 is about 230.0509087057.

The spelling of 12175081 in words is "twelve million, one hundred seventy-five thousand, eighty-one".