13724339 has 2 divisors, whose sum is σ = 13724340. Its totient is φ = 13724338.

The previous prime is 13724323. The next prime is 13724341. The reversal of 13724339 is 93342731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13724339 - 2⁴ = 13724323 is a prime.

It is a Sophie Germain prime.

Together with 13724341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13724369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6862169 + 6862170.

It is an arithmetic number, because the mean of its divisors is an integer number (6862170).

Almost surely, 2^13724339 is an apocalyptic number.

13724339 is a deficient number, since it is larger than the sum of its proper divisors (1).

13724339 is an equidigital number, since it uses as much as digits as its factorization.

13724339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 32.

The square root of 13724339 is about 3704.6374991354. The cubic root of 13724339 is about 239.4218665606.

The spelling of 13724339 in words is "thirteen million, seven hundred twenty-four thousand, three hundred thirty-nine".