13530038 has 4 divisors (see below), whose sum is σ = 20295060. Its totient is φ = 6765018.

The previous prime is 13530019. The next prime is 13530059. The reversal of 13530038 is 83003531.

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

It is a junction number, because it is equal to n+sod(n) for n = 13529995 and 13530022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382508 + ... + 3382511.

It is an arithmetic number, because the mean of its divisors is an integer number (5073765).

Almost surely, 2^13530038 is an apocalyptic number.

13530038 is a deficient number, since it is larger than the sum of its proper divisors (6765022).

13530038 is an equidigital number, since it uses as much as digits as its factorization.

13530038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765021.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13530038 is about 3678.3199969551. The cubic root of 13530038 is about 238.2866282821.

Adding to 13530038 its reverse (83003531), we get a palindrome (96533569).

The spelling of 13530038 in words is "thirteen million, five hundred thirty thousand, thirty-eight".