13449563 has 2 divisors, whose sum is σ = 13449564. Its totient is φ = 13449562.

The previous prime is 13449551. The next prime is 13449571. The reversal of 13449563 is 36594431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13449563 - 2¹⁶ = 13384027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13449263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6724781 + 6724782.

It is an arithmetic number, because the mean of its divisors is an integer number (6724782).

Almost surely, 2^13449563 is an apocalyptic number.

13449563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13449563 is an equidigital number, since it uses as much as digits as its factorization.

13449563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 13449563 is about 3667.3645850938. The cubic root of 13449563 is about 237.8132553421.

The spelling of 13449563 in words is "thirteen million, four hundred forty-nine thousand, five hundred sixty-three".