13141987 has 2 divisors, whose sum is σ = 13141988. Its totient is φ = 13141986.

The previous prime is 13141981. The next prime is 13141991. The reversal of 13141987 is 78914131.

13141987 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 is an emirp because it is prime and its reverse (78914131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13141987 - 2⁷ = 13141859 is a prime.

It is not a weakly prime, because it can be changed into another prime (13141981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570993 + 6570994.

It is an arithmetic number, because the mean of its divisors is an integer number (6570994).

Almost surely, 2^13141987 is an apocalyptic number.

13141987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13141987 is an equidigital number, since it uses as much as digits as its factorization.

13141987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 34.

The square root of 13141987 is about 3625.1878572013. The cubic root of 13141987 is about 235.9864195479.

The spelling of 13141987 in words is "thirteen million, one hundred forty-one thousand, nine hundred eighty-seven".