13340143 has 2 divisors, whose sum is σ = 13340144. Its totient is φ = 13340142.

The previous prime is 13340113. The next prime is 13340167. The reversal of 13340143 is 34104331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13340143 - 2⁵ = 13340111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13340143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13340113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6670071 + 6670072.

It is an arithmetic number, because the mean of its divisors is an integer number (6670072).

Almost surely, 2^13340143 is an apocalyptic number.

13340143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13340143 is an equidigital number, since it uses as much as digits as its factorization.

13340143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13340143 is about 3652.4160496855. The cubic root of 13340143 is about 237.1665821918.

Adding to 13340143 its reverse (34104331), we get a palindrome (47444474).

The spelling of 13340143 in words is "thirteen million, three hundred forty thousand, one hundred forty-three".