13423799 has 4 divisors (see below), whose sum is σ = 13433400. Its totient is φ = 13414200.

The previous prime is 13423793. The next prime is 13423831. The reversal of 13423799 is 99732431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13423799 - 2¹⁶ = 13358263 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 (13423793) 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, 2252 + ... + 5649.

It is an arithmetic number, because the mean of its divisors is an integer number (3358350).

Almost surely, 2^13423799 is an apocalyptic number.

13423799 is a deficient number, since it is larger than the sum of its proper divisors (9601).

13423799 is an equidigital number, since it uses as much as digits as its factorization.

13423799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9600.

The product of its digits is 40824, while the sum is 38.

The square root of 13423799 is about 3663.8502971601. The cubic root of 13423799 is about 237.6613064847.

The spelling of 13423799 in words is "thirteen million, four hundred twenty-three thousand, seven hundred ninety-nine".