13245187 has 2 divisors, whose sum is σ = 13245188. Its totient is φ = 13245186.

The previous prime is 13245151. The next prime is 13245203. The reversal of 13245187 is 78154231.

It is a strong prime.

It is an emirp because it is prime and its reverse (78154231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13245187 is a prime.

It is not a weakly prime, because it can be changed into another prime (13245107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622593 + 6622594.

It is an arithmetic number, because the mean of its divisors is an integer number (6622594).

Almost surely, 2^13245187 is an apocalyptic number.

13245187 is a deficient number, since it is larger than the sum of its proper divisors (1).

13245187 is an equidigital number, since it uses as much as digits as its factorization.

13245187 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 13245187 is about 3639.3937681982. The cubic root of 13245187 is about 236.6025193689.

The spelling of 13245187 in words is "thirteen million, two hundred forty-five thousand, one hundred eighty-seven".