13241587 has 2 divisors, whose sum is σ = 13241588. Its totient is φ = 13241586.

The previous prime is 13241581. The next prime is 13241609. The reversal of 13241587 is 78514231.

13241587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (78514231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13241587 - 2¹¹ = 13239539 is a prime.

It is not a weakly prime, because it can be changed into another prime (13241581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620793 + 6620794.

It is an arithmetic number, because the mean of its divisors is an integer number (6620794).

Almost surely, 2^13241587 is an apocalyptic number.

13241587 is a deficient number, since it is larger than the sum of its proper divisors (1).

13241587 is an equidigital number, since it uses as much as digits as its factorization.

13241587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 13241587 is about 3638.8991467201. The cubic root of 13241587 is about 236.5810814874.

The spelling of 13241587 in words is "thirteen million, two hundred forty-one thousand, five hundred eighty-seven".