13509038 has 8 divisors (see below), whose sum is σ = 21330120. Its totient is φ = 6399000.

The previous prime is 13509031. The next prime is 13509059. The reversal of 13509038 is 83090531.

13509038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13509038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13509031) 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, 177713 + ... + 177788.

It is an arithmetic number, because the mean of its divisors is an integer number (2666265).

Almost surely, 2^13509038 is an apocalyptic number.

13509038 is a deficient number, since it is larger than the sum of its proper divisors (7821082).

13509038 is a wasteful number, since it uses less digits than its factorization.

13509038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355522.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 13509038 is about 3675.4643244086. The cubic root of 13509038 is about 238.1632827220.

Adding to 13509038 its reverse (83090531), we get a palindrome (96599569).

The spelling of 13509038 in words is "thirteen million, five hundred nine thousand, thirty-eight".