13090517 has 4 divisors (see below), whose sum is σ = 14280576. Its totient is φ = 11900460.

The previous prime is 13090481. The next prime is 13090529. The reversal of 13090517 is 71509031.

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.

It is not a de Polignac number, because 13090517 - 2⁸ = 13090261 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13090547) 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, 595013 + ... + 595034.

It is an arithmetic number, because the mean of its divisors is an integer number (3570144).

Almost surely, 2^13090517 is an apocalyptic number.

It is an amenable number.

13090517 is a deficient number, since it is larger than the sum of its proper divisors (1190059).

13090517 is a wasteful number, since it uses less digits than its factorization.

13090517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190058.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 13090517 is about 3618.0819504262. The cubic root of 13090517 is about 235.6779397543.

Adding to 13090517 its reverse (71509031), we get a palindrome (84599548).

The spelling of 13090517 in words is "thirteen million, ninety thousand, five hundred seventeen".