12481211 has 2 divisors, whose sum is σ = 12481212. Its totient is φ = 12481210.

The previous prime is 12481201. The next prime is 12481219. The reversal of 12481211 is 11218421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12481211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12481219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6240605 + 6240606.

It is an arithmetic number, because the mean of its divisors is an integer number (6240606).

Almost surely, 2^12481211 is an apocalyptic number.

12481211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12481211 is an equidigital number, since it uses as much as digits as its factorization.

12481211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128, while the sum is 20.

The square root of 12481211 is about 3532.8757408095. The cubic root of 12481211 is about 231.9631022870.

Adding to 12481211 its reverse (11218421), we get a palindrome (23699632).

The spelling of 12481211 in words is "twelve million, four hundred eighty-one thousand, two hundred eleven".