13447049 has 8 divisors (see below), whose sum is σ = 16765248. Its totient is φ = 10478160.

The previous prime is 13447043. The next prime is 13447067. The reversal of 13447049 is 94074431.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-13447049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13447043) 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 7 ways as a sum of consecutive naturals, for example, 87242 + ... + 87395.

It is an arithmetic number, because the mean of its divisors is an integer number (2095656).

Almost surely, 2^13447049 is an apocalyptic number.

It is an amenable number.

13447049 is a deficient number, since it is larger than the sum of its proper divisors (3318199).

13447049 is a wasteful number, since it uses less digits than its factorization.

13447049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174655.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 13447049 is about 3667.0218161336. The cubic root of 13447049 is about 237.7984370222.

The spelling of 13447049 in words is "thirteen million, four hundred forty-seven thousand, forty-nine".