13397717 has 8 divisors (see below), whose sum is σ = 14932800. Its totient is φ = 11945664.

The previous prime is 13397701. The next prime is 13397719. The reversal of 13397717 is 71779331.

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 13397717 - 2⁴ = 13397701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13397719) 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, 20417 + ... + 21062.

It is an arithmetic number, because the mean of its divisors is an integer number (1866600).

Almost surely, 2^13397717 is an apocalyptic number.

13397717 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13397717 is a deficient number, since it is larger than the sum of its proper divisors (1535083).

13397717 is a wasteful number, since it uses less digits than its factorization.

13397717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41515.

The product of its digits is 27783, while the sum is 38.

The square root of 13397717 is about 3660.2891962248. The cubic root of 13397717 is about 237.5072839871.

The spelling of 13397717 in words is "thirteen million, three hundred ninety-seven thousand, seven hundred seventeen".