13704231 has 4 divisors (see below), whose sum is σ = 18272312. Its totient is φ = 9136152.

The previous prime is 13704203. The next prime is 13704241. The reversal of 13704231 is 13240731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13704231 - 2⁶ = 13704167 is a prime.

It is a super-2 number, since 2×13704231² = 375611894602722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13704198 and 13704207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13704241) 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, 2284036 + ... + 2284041.

It is an arithmetic number, because the mean of its divisors is an integer number (4568078).

Almost surely, 2^13704231 is an apocalyptic number.

13704231 is a deficient number, since it is larger than the sum of its proper divisors (4568081).

13704231 is an equidigital number, since it uses as much as digits as its factorization.

13704231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568080.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13704231 is about 3701.9226085914. The cubic root of 13704231 is about 239.3048810115.

Adding to 13704231 its reverse (13240731), we get a palindrome (26944962).

The spelling of 13704231 in words is "thirteen million, seven hundred four thousand, two hundred thirty-one".