13142147 has 2 divisors, whose sum is σ = 13142148. Its totient is φ = 13142146.

The previous prime is 13142123. The next prime is 13142149. The reversal of 13142147 is 74124131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13142147 - 2⁶ = 13142083 is a prime.

Together with 13142149, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13142149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571073 + 6571074.

It is an arithmetic number, because the mean of its divisors is an integer number (6571074).

Almost surely, 2^13142147 is an apocalyptic number.

13142147 is a deficient number, since it is larger than the sum of its proper divisors (1).

13142147 is an equidigital number, since it uses as much as digits as its factorization.

13142147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 13142147 is about 3625.2099249561. The cubic root of 13142147 is about 235.9873772335.

Adding to 13142147 its reverse (74124131), we get a palindrome (87266278).

The spelling of 13142147 in words is "thirteen million, one hundred forty-two thousand, one hundred forty-seven".