13724143 has 2 divisors, whose sum is σ = 13724144. Its totient is φ = 13724142.

The previous prime is 13724131. The next prime is 13724149. The reversal of 13724143 is 34142731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13724143 - 2⁹ = 13723631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13724149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6862071 + 6862072.

It is an arithmetic number, because the mean of its divisors is an integer number (6862072).

Almost surely, 2^13724143 is an apocalyptic number.

13724143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13724143 is an equidigital number, since it uses as much as digits as its factorization.

13724143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 13724143 is about 3704.6110457105. The cubic root of 13724143 is about 239.4207268115.

Adding to 13724143 its reverse (34142731), we get a palindrome (47866874).

The spelling of 13724143 in words is "thirteen million, seven hundred twenty-four thousand, one hundred forty-three".