13849447 has 4 divisors (see below), whose sum is σ = 13867336. Its totient is φ = 13831560.

The previous prime is 13849421. The next prime is 13849453. The reversal of 13849447 is 74494831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13849447 - 2¹⁹ = 13325159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13849457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7728 + ... + 9349.

It is an arithmetic number, because the mean of its divisors is an integer number (3466834).

Almost surely, 2^13849447 is an apocalyptic number.

13849447 is a deficient number, since it is larger than the sum of its proper divisors (17889).

13849447 is an equidigital number, since it uses as much as digits as its factorization.

13849447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17888.

The product of its digits is 96768, while the sum is 40.

The square root of 13849447 is about 3721.4845156201. The cubic root of 13849447 is about 240.1471724641.

The spelling of 13849447 in words is "thirteen million, eight hundred forty-nine thousand, four hundred forty-seven".