13130553 has 4 divisors (see below), whose sum is σ = 17507408. Its totient is φ = 8753700.

The previous prime is 13130549. The next prime is 13130561. The reversal of 13130553 is 35503131.

It is a happy number.

13130553 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 13130553 - 2² = 13130549 is a prime.

It is a super-2 number, since 2×13130553² = 344822844171618, which contains 22 as substring.

It is a Duffinian 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, 2188423 + ... + 2188428.

It is an arithmetic number, because the mean of its divisors is an integer number (4376852).

Almost surely, 2^13130553 is an apocalyptic number.

It is an amenable number.

13130553 is a deficient number, since it is larger than the sum of its proper divisors (4376855).

13130553 is an equidigital number, since it uses as much as digits as its factorization.

13130553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376854.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 13130553 is about 3623.6104923129. The cubic root of 13130553 is about 235.9179608075.

Adding to 13130553 its reverse (35503131), we get a palindrome (48633684).

The spelling of 13130553 in words is "thirteen million, one hundred thirty thousand, five hundred fifty-three".