13673947 has 8 divisors (see below), whose sum is σ = 15922656. Its totient is φ = 11499072.

The previous prime is 13673929. The next prime is 13673953. The reversal of 13673947 is 74937631.

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

It is a cyclic number.

It is not a de Polignac number, because 13673947 - 2¹⁵ = 13641179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13673917) 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, 18058 + ... + 18799.

It is an arithmetic number, because the mean of its divisors is an integer number (1990332).

Almost surely, 2^13673947 is an apocalyptic number.

13673947 is a deficient number, since it is larger than the sum of its proper divisors (2248709).

13673947 is an equidigital number, since it uses as much as digits as its factorization.

13673947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36917.

The product of its digits is 95256, while the sum is 40.

The square root of 13673947 is about 3697.8300393609. The cubic root of 13673947 is about 239.1284767592.

The spelling of 13673947 in words is "thirteen million, six hundred seventy-three thousand, nine hundred forty-seven".