13716231 has 4 divisors (see below), whose sum is σ = 18288312. Its totient is φ = 9144152.

The previous prime is 13716203. The next prime is 13716247. The reversal of 13716231 is 13261731.

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 13716231 - 2¹⁸ = 13454087 is a prime.

It is a super-2 number, since 2×13716231² = 376269985690722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13716251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2286036 + ... + 2286041.

It is an arithmetic number, because the mean of its divisors is an integer number (4572078).

Almost surely, 2^13716231 is an apocalyptic number.

13716231 is a deficient number, since it is larger than the sum of its proper divisors (4572081).

13716231 is an equidigital number, since it uses as much as digits as its factorization.

13716231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572080.

The product of its digits is 756, while the sum is 24.

The square root of 13716231 is about 3703.5430333668. The cubic root of 13716231 is about 239.3747091008.

Adding to 13716231 its reverse (13261731), we get a palindrome (26977962).

The spelling of 13716231 in words is "thirteen million, seven hundred sixteen thousand, two hundred thirty-one".