12936449 has 2 divisors, whose sum is σ = 12936450. Its totient is φ = 12936448.

The previous prime is 12936437. The next prime is 12936461. The reversal of 12936449 is 94463921.

It is a balanced prime because it is at equal distance from previous prime (12936437) and next prime (12936461).

It can be written as a sum of positive squares in only one way, i.e., 8065600 + 4870849 = 2840^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 12936449 - 2⁴ = 12936433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12936409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468224 + 6468225.

It is an arithmetic number, because the mean of its divisors is an integer number (6468225).

Almost surely, 2^12936449 is an apocalyptic number.

It is an amenable number.

12936449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12936449 is an equidigital number, since it uses as much as digits as its factorization.

12936449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 12936449 is about 3596.7275404178. The cubic root of 12936449 is about 234.7496897163.

The spelling of 12936449 in words is "twelve million, nine hundred thirty-six thousand, four hundred forty-nine".