13345517 has 4 divisors (see below), whose sum is σ = 13356000. Its totient is φ = 13335036.

The previous prime is 13345513. The next prime is 13345571. The reversal of 13345517 is 71554331.

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 13345517 - 2² = 13345513 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 13345517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13345511) 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, 3017 + ... + 5982.

It is an arithmetic number, because the mean of its divisors is an integer number (3339000).

Almost surely, 2^13345517 is an apocalyptic number.

It is an amenable number.

13345517 is a deficient number, since it is larger than the sum of its proper divisors (10483).

13345517 is an equidigital number, since it uses as much as digits as its factorization.

13345517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10482.

The product of its digits is 6300, while the sum is 29.

The square root of 13345517 is about 3653.1516530251. The cubic root of 13345517 is about 237.1984249815.

Adding to 13345517 its reverse (71554331), we get a palindrome (84899848).

The spelling of 13345517 in words is "thirteen million, three hundred forty-five thousand, five hundred seventeen".