13516449 has 16 divisors (see below), whose sum is σ = 18357504. Its totient is φ = 8845200.

The previous prime is 13516439. The next prime is 13516457. The reversal of 13516449 is 94461531.

It is not a de Polignac number, because 13516449 - 2⁵ = 13516417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13516409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63954 + ... + 64164.

It is an arithmetic number, because the mean of its divisors is an integer number (1147344).

Almost surely, 2^13516449 is an apocalyptic number.

It is an amenable number.

13516449 is a deficient number, since it is larger than the sum of its proper divisors (4841055).

13516449 is a wasteful number, since it uses less digits than its factorization.

13516449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508.

The product of its digits is 12960, while the sum is 33.

The square root of 13516449 is about 3676.4723581172. The cubic root of 13516449 is about 238.2068265437.

The spelling of 13516449 in words is "thirteen million, five hundred sixteen thousand, four hundred forty-nine".