13130501 has 4 divisors (see below), whose sum is σ = 13821600. Its totient is φ = 12439404.

The previous prime is 13130489. The next prime is 13130503. The reversal of 13130501 is 10503131.

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 a cyclic number.

It is not a de Polignac number, because 13130501 - 2¹⁰ = 13129477 is a prime.

It is a super-2 number, since 2×13130501² = 344820113022002, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130503) 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, 345521 + ... + 345558.

It is an arithmetic number, because the mean of its divisors is an integer number (3455400).

Almost surely, 2^13130501 is an apocalyptic number.

It is an amenable number.

13130501 is a deficient number, since it is larger than the sum of its proper divisors (691099).

13130501 is an equidigital number, since it uses as much as digits as its factorization.

13130501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691098.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 13130501 is about 3623.6033171417. The cubic root of 13130501 is about 235.9176493774.

Adding to 13130501 its reverse (10503131), we get a palindrome (23633632).

It can be divided in two parts, 13130 and 501, that added together give a palindrome (13631).

The spelling of 13130501 in words is "thirteen million, one hundred thirty thousand, five hundred one".