13443479 has 4 divisors (see below), whose sum is σ = 15363984. Its totient is φ = 11522976.

The previous prime is 13443467. The next prime is 13443487. The reversal of 13443479 is 97434431.

13443479 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 13443479 - 2¹⁶ = 13377943 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 (13443499) 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, 960242 + ... + 960255.

It is an arithmetic number, because the mean of its divisors is an integer number (3840996).

Almost surely, 2^13443479 is an apocalyptic number.

13443479 is a deficient number, since it is larger than the sum of its proper divisors (1920505).

13443479 is an equidigital number, since it uses as much as digits as its factorization.

13443479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920504.

The product of its digits is 36288, while the sum is 35.

The square root of 13443479 is about 3666.5350127880. The cubic root of 13443479 is about 237.7773911269. Note that the first 3 decimals are identical.

The spelling of 13443479 in words is "thirteen million, four hundred forty-three thousand, four hundred seventy-nine".