13142891 has 2 divisors, whose sum is σ = 13142892. Its totient is φ = 13142890.

The previous prime is 13142873. The next prime is 13142911. The reversal of 13142891 is 19824131.

13142891 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 (19824131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13142891 - 2¹⁴ = 13126507 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13142861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571445 + 6571446.

It is an arithmetic number, because the mean of its divisors is an integer number (6571446).

Almost surely, 2^13142891 is an apocalyptic number.

13142891 is a deficient number, since it is larger than the sum of its proper divisors (1).

13142891 is an equidigital number, since it uses as much as digits as its factorization.

13142891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 13142891 is about 3625.3125382510. The cubic root of 13142891 is about 235.9918303693.

The spelling of 13142891 in words is "thirteen million, one hundred forty-two thousand, eight hundred ninety-one".