12761213 has 2 divisors, whose sum is σ = 12761214. Its totient is φ = 12761212.

The previous prime is 12761201. The next prime is 12761219. The reversal of 12761213 is 31216721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8868484 + 3892729 = 2978^2 + 1973^2 .

It is a cyclic number.

It is not a de Polignac number, because 12761213 - 2⁴ = 12761197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12761219) 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, 6380606 + 6380607.

It is an arithmetic number, because the mean of its divisors is an integer number (6380607).

Almost surely, 2^12761213 is an apocalyptic number.

It is an amenable number.

12761213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12761213 is an equidigital number, since it uses as much as digits as its factorization.

12761213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 12761213 is about 3572.2840032674. The cubic root of 12761213 is about 233.6849010859.

Adding to 12761213 its reverse (31216721), we get a palindrome (43977934).

The spelling of 12761213 in words is "twelve million, seven hundred sixty-one thousand, two hundred thirteen".