12063581 has 2 divisors, whose sum is σ = 12063582. Its totient is φ = 12063580.

The previous prime is 12063563. The next prime is 12063587. The reversal of 12063581 is 18536021.

12063581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 3740356 = 2885^2 + 1934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12063581 is a prime.

It is a super-2 number, since 2×12063581² = 291059973087122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12063581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12063587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6031790 + 6031791.

It is an arithmetic number, because the mean of its divisors is an integer number (6031791).

Almost surely, 2^12063581 is an apocalyptic number.

It is an amenable number.

12063581 is a deficient number, since it is larger than the sum of its proper divisors (1).

12063581 is an equidigital number, since it uses as much as digits as its factorization.

12063581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12063581 is about 3473.2666180413. The cubic root of 12063581 is about 229.3464813442.

The spelling of 12063581 in words is "twelve million, sixty-three thousand, five hundred eighty-one".