13443673 has 4 divisors (see below), whose sum is σ = 13541940. Its totient is φ = 13345408.

The previous prime is 13443671. The next prime is 13443701. The reversal of 13443673 is 37634431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37634431 = 29 ⋅1297739.

It can be written as a sum of positive squares in 2 ways, for example, as 2474329 + 10969344 = 1573^2 + 3312^2 .

It is a cyclic number.

It is not a de Polignac number, because 13443673 - 2¹ = 13443671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13443671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48928 + ... + 49201.

It is an arithmetic number, because the mean of its divisors is an integer number (3385485).

Almost surely, 2^13443673 is an apocalyptic number.

It is an amenable number.

13443673 is a deficient number, since it is larger than the sum of its proper divisors (98267).

13443673 is an equidigital number, since it uses as much as digits as its factorization.

13443673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98266.

The product of its digits is 18144, while the sum is 31.

The square root of 13443673 is about 3666.5614681879. The cubic root of 13443673 is about 237.7785348931.

The spelling of 13443673 in words is "thirteen million, four hundred forty-three thousand, six hundred seventy-three".