13030538 has 8 divisors (see below), whose sum is σ = 20022660. Its totient is φ = 6356320.

The previous prime is 13030513. The next prime is 13030543. The reversal of 13030538 is 83503031.

It can be written as a sum of positive squares in 2 ways, for example, as 9815689 + 3214849 = 3133^2 + 1793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79373 + ... + 79536.

Almost surely, 2^13030538 is an apocalyptic number.

13030538 is a deficient number, since it is larger than the sum of its proper divisors (6992122).

13030538 is a wasteful number, since it uses less digits than its factorization.

13030538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158952.

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

The square root of 13030538 is about 3609.7836500267. The cubic root of 13030538 is about 235.3174403279.

Adding to 13030538 its reverse (83503031), we get a palindrome (96533569).

The spelling of 13030538 in words is "thirteen million, thirty thousand, five hundred thirty-eight".