13650449 has 2 divisors, whose sum is σ = 13650450. Its totient is φ = 13650448.

The previous prime is 13650433. The next prime is 13650451. The reversal of 13650449 is 94405631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13010449 + 640000 = 3607^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 13650449 - 2⁴ = 13650433 is a prime.

Together with 13650451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13650409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6825224 + 6825225.

It is an arithmetic number, because the mean of its divisors is an integer number (6825225).

Almost surely, 2^13650449 is an apocalyptic number.

It is an amenable number.

13650449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13650449 is an equidigital number, since it uses as much as digits as its factorization.

13650449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 13650449 is about 3694.6514043953. The cubic root of 13650449 is about 238.9914214109.

The spelling of 13650449 in words is "thirteen million, six hundred fifty thousand, four hundred forty-nine".