13000535 has 8 divisors (see below), whose sum is σ = 15624576. Its totient is φ = 10384480.

The previous prime is 13000511. The next prime is 13000553. The reversal of 13000535 is 53500031.

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

It is a de Polignac number, because none of the positive numbers 2^k-13000535 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2522 + ... + 5688.

It is an arithmetic number, because the mean of its divisors is an integer number (1953072).

Almost surely, 2^13000535 is an apocalyptic number.

13000535 is a deficient number, since it is larger than the sum of its proper divisors (2624041).

13000535 is an equidigital number, since it uses as much as digits as its factorization.

13000535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 13000535 is about 3605.6254658519. The cubic root of 13000535 is about 235.1366942767.

Adding to 13000535 its reverse (53500031), we get a palindrome (66500566).

The spelling of 13000535 in words is "thirteen million, five hundred thirty-five", and thus it is an aban number.