12027481 has 2 divisors, whose sum is σ = 12027482. Its totient is φ = 12027480.

The previous prime is 12027469. The next prime is 12027493. The reversal of 12027481 is 18472021.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12027469) and next prime (12027493).

It can be written as a sum of positive squares in only one way, i.e., 11289600 + 737881 = 3360^2 + 859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12027481 is a prime.

It is a super-2 number, since 2×12027481² = 289320598410722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12027451) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6013740 + 6013741.

It is an arithmetic number, because the mean of its divisors is an integer number (6013741).

Almost surely, 2^12027481 is an apocalyptic number.

It is an amenable number.

12027481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12027481 is an equidigital number, since it uses as much as digits as its factorization.

12027481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12027481 is about 3468.0658874941. The cubic root of 12027481 is about 229.1174813377.

The spelling of 12027481 in words is "twelve million, twenty-seven thousand, four hundred eighty-one".