12280141 has 2 divisors, whose sum is σ = 12280142. Its totient is φ = 12280140.

The previous prime is 12280127. The next prime is 12280157. The reversal of 12280141 is 14108221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8094025 + 4186116 = 2845^2 + 2046^2 .

It is a cyclic number.

It is not a de Polignac number, because 12280141 - 2⁵ = 12280109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12280111) 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, 6140070 + 6140071.

It is an arithmetic number, because the mean of its divisors is an integer number (6140071).

Almost surely, 2^12280141 is an apocalyptic number.

It is an amenable number.

12280141 is a deficient number, since it is larger than the sum of its proper divisors (1).

12280141 is an equidigital number, since it uses as much as digits as its factorization.

12280141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 12280141 is about 3504.3032117669. The cubic root of 12280141 is about 230.7107252741.

Adding to 12280141 its reverse (14108221), we get a palindrome (26388362).

It can be divided in two parts, 12280 and 141, that added together give a palindrome (12421).

The spelling of 12280141 in words is "twelve million, two hundred eighty thousand, one hundred forty-one".