12455449 has 2 divisors, whose sum is σ = 12455450. Its totient is φ = 12455448.

The previous prime is 12455419. The next prime is 12455453. The reversal of 12455449 is 94455421.

12455449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9455625 + 2999824 = 3075^2 + 1732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12455449 is a prime.

It is not a weakly prime, because it can be changed into another prime (12455419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227724 + 6227725.

It is an arithmetic number, because the mean of its divisors is an integer number (6227725).

Almost surely, 2^12455449 is an apocalyptic number.

It is an amenable number.

12455449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12455449 is an equidigital number, since it uses as much as digits as its factorization.

12455449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 34.

The square root of 12455449 is about 3529.2278192262. The cubic root of 12455449 is about 231.8033969064.

The spelling of 12455449 in words is "twelve million, four hundred fifty-five thousand, four hundred forty-nine".