13130549 has 2 divisors, whose sum is σ = 13130550. Its totient is φ = 13130548.

The previous prime is 13130521. The next prime is 13130561. The reversal of 13130549 is 94503131.

13130549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12909649 + 220900 = 3593^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 13130549 - 2²⁰ = 12081973 is a prime.

It is a super-2 number, since 2×13130549² = 344822634082802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13130519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565274 + 6565275.

It is an arithmetic number, because the mean of its divisors is an integer number (6565275).

Almost surely, 2^13130549 is an apocalyptic number.

It is an amenable number.

13130549 is a deficient number, since it is larger than the sum of its proper divisors (1).

13130549 is an equidigital number, since it uses as much as digits as its factorization.

13130549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13130549 is about 3623.6099403771. The cubic root of 13130549 is about 235.9179368514.

The spelling of 13130549 in words is "thirteen million, one hundred thirty thousand, five hundred forty-nine".