13675447 has 4 divisors (see below), whose sum is σ = 13704016. Its totient is φ = 13646880.

The previous prime is 13675423. The next prime is 13675471. The reversal of 13675447 is 74457631.

13675447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74457631 = 307 ⋅242533.

It is an interprime number because it is at equal distance from previous prime (13675423) and next prime (13675471).

It is a cyclic number.

It is not a de Polignac number, because 13675447 - 2²³ = 5286839 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 (13675847) 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, 13554 + ... + 14527.

It is an arithmetic number, because the mean of its divisors is an integer number (3426004).

Almost surely, 2^13675447 is an apocalyptic number.

13675447 is a deficient number, since it is larger than the sum of its proper divisors (28569).

13675447 is an equidigital number, since it uses as much as digits as its factorization.

13675447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28568.

The product of its digits is 70560, while the sum is 37.

The square root of 13675447 is about 3698.0328554517. The cubic root of 13675447 is about 239.1372203843.

The spelling of 13675447 in words is "thirteen million, six hundred seventy-five thousand, four hundred forty-seven".