13447149 has 8 divisors (see below), whose sum is σ = 18508032. Its totient is φ = 8675520.

The previous prime is 13447127. The next prime is 13447151. The reversal of 13447149 is 94174431.

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

It is not a de Polignac number, because 13447149 - 2¹¹ = 13445101 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13447199) 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, 72204 + ... + 72389.

It is an arithmetic number, because the mean of its divisors is an integer number (2313504).

Almost surely, 2^13447149 is an apocalyptic number.

It is an amenable number.

13447149 is a deficient number, since it is larger than the sum of its proper divisors (5060883).

13447149 is a wasteful number, since it uses less digits than its factorization.

13447149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144627.

The product of its digits is 12096, while the sum is 33.

The square root of 13447149 is about 3667.0354511512. The cubic root of 13447149 is about 237.7990264895.

The spelling of 13447149 in words is "thirteen million, four hundred forty-seven thousand, one hundred forty-nine".