13876449 has 8 divisors (see below), whose sum is σ = 18519840. Its totient is φ = 9242016.

The previous prime is 13876433. The next prime is 13876451. The reversal of 13876449 is 94467831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13876449 - 2⁴ = 13876433 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13876449.

It is not an unprimeable number, because it can be changed into a prime (13876459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3429 + ... + 6285.

It is an arithmetic number, because the mean of its divisors is an integer number (2314980).

Almost surely, 2^13876449 is an apocalyptic number.

It is an amenable number.

13876449 is a deficient number, since it is larger than the sum of its proper divisors (4643391).

13876449 is a wasteful number, since it uses less digits than its factorization.

13876449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479.

The product of its digits is 145152, while the sum is 42.

The square root of 13876449 is about 3725.1106023848. The cubic root of 13876449 is about 240.3031412501.

The spelling of 13876449 in words is "thirteen million, eight hundred seventy-six thousand, four hundred forty-nine".