13130587 has 2 divisors, whose sum is σ = 13130588. Its totient is φ = 13130586.

The previous prime is 13130581. The next prime is 13130629. The reversal of 13130587 is 78503131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13130587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13130581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565293 + 6565294.

It is an arithmetic number, because the mean of its divisors is an integer number (6565294).

Almost surely, 2^13130587 is an apocalyptic number.

13130587 is a deficient number, since it is larger than the sum of its proper divisors (1).

13130587 is an equidigital number, since it uses as much as digits as its factorization.

13130587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 13130587 is about 3623.6151837633. The cubic root of 13130587 is about 235.9181644345.

The spelling of 13130587 in words is "thirteen million, one hundred thirty thousand, five hundred eighty-seven".