13723079 has 4 divisors (see below), whose sum is σ = 13735776. Its totient is φ = 13710384.

The previous prime is 13723057. The next prime is 13723081. The reversal of 13723079 is 97032731.

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 13723079 - 2¹⁶ = 13657543 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 (13723009) 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 3 ways as a sum of consecutive naturals, for example, 4559 + ... + 6944.

It is an arithmetic number, because the mean of its divisors is an integer number (3433944).

Almost surely, 2^13723079 is an apocalyptic number.

13723079 is a deficient number, since it is larger than the sum of its proper divisors (12697).

13723079 is a wasteful number, since it uses less digits than its factorization.

13723079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 13723079 is about 3704.4674381077. The cubic root of 13723079 is about 239.4145394128.

The spelling of 13723079 in words is "thirteen million, seven hundred twenty-three thousand, seventy-nine".