13717247 has 8 divisors (see below), whose sum is σ = 14147952. Its totient is φ = 13291200.

The previous prime is 13717243. The next prime is 13717267. The reversal of 13717247 is 74271731.

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 13717247 - 2² = 13717243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13717243) 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, 5372 + ... + 7502.

It is an arithmetic number, because the mean of its divisors is an integer number (1768494).

Almost surely, 2^13717247 is an apocalyptic number.

13717247 is a deficient number, since it is larger than the sum of its proper divisors (430705).

13717247 is a wasteful number, since it uses less digits than its factorization.

13717247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329.

The product of its digits is 8232, while the sum is 32.

The square root of 13717247 is about 3703.6801967773. The cubic root of 13717247 is about 239.3806193419.

Adding to 13717247 its reverse (74271731), we get a palindrome (87988978).

It can be divided in two parts, 1371724 and 7, that added together give a palindrome (1371731).

The spelling of 13717247 in words is "thirteen million, seven hundred seventeen thousand, two hundred forty-seven".