12936461 has 2 divisors, whose sum is σ = 12936462. Its totient is φ = 12936460.

The previous prime is 12936449. The next prime is 12936467. The reversal of 12936461 is 16463921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12033961 + 902500 = 3469^2 + 950^2 .

It is a cyclic number.

It is not a de Polignac number, because 12936461 - 2¹⁰ = 12935437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12936467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468230 + 6468231.

It is an arithmetic number, because the mean of its divisors is an integer number (6468231).

Almost surely, 2^12936461 is an apocalyptic number.

It is an amenable number.

12936461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12936461 is an equidigital number, since it uses as much as digits as its factorization.

12936461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 12936461 is about 3596.7292086005. The cubic root of 12936461 is about 234.7497623017.

The spelling of 12936461 in words is "twelve million, nine hundred thirty-six thousand, four hundred sixty-one".