12005801 has 2 divisors, whose sum is σ = 12005802. Its totient is φ = 12005800.

The previous prime is 12005789. The next prime is 12005813. The reversal of 12005801 is 10850021.

It is a balanced prime because it is at equal distance from previous prime (12005789) and next prime (12005813).

It can be written as a sum of positive squares in only one way, i.e., 9461776 + 2544025 = 3076^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 12005801 - 2²² = 7811497 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12005801.

It is not a weakly prime, because it can be changed into another prime (12005831) 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, 6002900 + 6002901.

It is an arithmetic number, because the mean of its divisors is an integer number (6002901).

Almost surely, 2^12005801 is an apocalyptic number.

It is an amenable number.

12005801 is a deficient number, since it is larger than the sum of its proper divisors (1).

12005801 is an equidigital number, since it uses as much as digits as its factorization.

12005801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 12005801 is about 3464.9388161986. The cubic root of 12005801 is about 228.9797341638.

Adding to 12005801 its reverse (10850021), we get a palindrome (22855822).

The spelling of 12005801 in words is "twelve million, five thousand, eight hundred one".