13530917 has 4 divisors (see below), whose sum is σ = 13541760. Its totient is φ = 13520076.

The previous prime is 13530893. The next prime is 13530919. The reversal of 13530917 is 71903531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13530917 - 2⁸ = 13530661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13530917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530919) 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, 3263 + ... + 6140.

It is an arithmetic number, because the mean of its divisors is an integer number (3385440).

Almost surely, 2^13530917 is an apocalyptic number.

It is an amenable number.

13530917 is a deficient number, since it is larger than the sum of its proper divisors (10843).

13530917 is an equidigital number, since it uses as much as digits as its factorization.

13530917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10842.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 13530917 is about 3678.4394789095. The cubic root of 13530917 is about 238.2917883910.

The spelling of 13530917 in words is "thirteen million, five hundred thirty thousand, nine hundred seventeen".