13143187 has 2 divisors, whose sum is σ = 13143188. Its totient is φ = 13143186.

The previous prime is 13143173. The next prime is 13143197. The reversal of 13143187 is 78134131.

It is a strong prime.

It is an emirp because it is prime and its reverse (78134131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13143187 - 2⁷ = 13143059 is a prime.

It is not a weakly prime, because it can be changed into another prime (13143167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571593 + 6571594.

It is an arithmetic number, because the mean of its divisors is an integer number (6571594).

Almost surely, 2^13143187 is an apocalyptic number.

13143187 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143187 is an equidigital number, since it uses as much as digits as its factorization.

13143187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 13143187 is about 3625.3533620876. The cubic root of 13143187 is about 235.9936020003.

The spelling of 13143187 in words is "thirteen million, one hundred forty-three thousand, one hundred eighty-seven".