13717399 has 8 divisors (see below), whose sum is σ = 13910400. Its totient is φ = 13526016.

The previous prime is 13717391. The next prime is 13717423. The reversal of 13717399 is 99371731.

It is a happy number.

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 13717399 - 2³ = 13717391 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 (13717391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30327 + ... + 30775.

It is an arithmetic number, because the mean of its divisors is an integer number (1738800).

Almost surely, 2^13717399 is an apocalyptic number.

13717399 is a deficient number, since it is larger than the sum of its proper divisors (193001).

13717399 is a wasteful number, since it uses less digits than its factorization.

13717399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809.

The product of its digits is 35721, while the sum is 40.

The square root of 13717399 is about 3703.7007168506. The cubic root of 13717399 is about 239.3815035262.

The spelling of 13717399 in words is "thirteen million, seven hundred seventeen thousand, three hundred ninety-nine".