13724589 has 4 divisors (see below), whose sum is σ = 18299456. Its totient is φ = 9149724.

The previous prime is 13724549. The next prime is 13724597. The reversal of 13724589 is 98542731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13724589 - 2⁷ = 13724461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13724549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2287429 + ... + 2287434.

It is an arithmetic number, because the mean of its divisors is an integer number (4574864).

Almost surely, 2^13724589 is an apocalyptic number.

It is an amenable number.

13724589 is a deficient number, since it is larger than the sum of its proper divisors (4574867).

13724589 is an equidigital number, since it uses as much as digits as its factorization.

13724589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574866.

The product of its digits is 60480, while the sum is 39.

The square root of 13724589 is about 3704.6712404747. The cubic root of 13724589 is about 239.4233203065.

The spelling of 13724589 in words is "thirteen million, seven hundred twenty-four thousand, five hundred eighty-nine".