13724003 has 4 divisors (see below), whose sum is σ = 14094960. Its totient is φ = 13353048.

The previous prime is 13723999. The next prime is 13724017. The reversal of 13724003 is 30042731.

13724003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30042731 = 103 ⋅291677.

It is a cyclic number.

It is not a de Polignac number, because 13724003 - 2² = 13723999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13724063) 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, 185423 + ... + 185496.

It is an arithmetic number, because the mean of its divisors is an integer number (3523740).

Almost surely, 2^13724003 is an apocalyptic number.

13724003 is a deficient number, since it is larger than the sum of its proper divisors (370957).

13724003 is an equidigital number, since it uses as much as digits as its factorization.

13724003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370956.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 13724003 is about 3704.5921502913. The cubic root of 13724003 is about 239.4199126984.

Adding to 13724003 its reverse (30042731), we get a palindrome (43766734).

The spelling of 13724003 in words is "thirteen million, seven hundred twenty-four thousand, three".