13771617 has 8 divisors (see below), whose sum is σ = 18436320. Its totient is φ = 9144000.

The previous prime is 13771579. The next prime is 13771619. The reversal of 13771617 is 71617731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13771617 - 2⁶ = 13771553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13771619) 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, 8392 + ... + 9897.

It is an arithmetic number, because the mean of its divisors is an integer number (2304540).

Almost surely, 2^13771617 is an apocalyptic number.

It is an amenable number.

13771617 is a deficient number, since it is larger than the sum of its proper divisors (4664703).

13771617 is a wasteful number, since it uses less digits than its factorization.

13771617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18543.

The product of its digits is 6174, while the sum is 33.

The square root of 13771617 is about 3711.0129344965. The cubic root of 13771617 is about 239.6964739337.

The spelling of 13771617 in words is "thirteen million, seven hundred seventy-one thousand, six hundred seventeen".