13001843 has 2 divisors, whose sum is σ = 13001844. Its totient is φ = 13001842.

The previous prime is 13001827. The next prime is 13001861. The reversal of 13001843 is 34810031.

It is a happy number.

13001843 is digitally balanced in base 2 and base 3, because in such bases 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 (34810031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13001843 - 2⁴ = 13001827 is a prime.

It is not a weakly prime, because it can be changed into another prime (13001543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500921 + 6500922.

It is an arithmetic number, because the mean of its divisors is an integer number (6500922).

Almost surely, 2^13001843 is an apocalyptic number.

13001843 is a deficient number, since it is larger than the sum of its proper divisors (1).

13001843 is an equidigital number, since it uses as much as digits as its factorization.

13001843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13001843 is about 3605.8068445218. The cubic root of 13001843 is about 235.1445798107.

Adding to 13001843 its reverse (34810031), we get a palindrome (47811874).

The spelling of 13001843 in words is "thirteen million, one thousand, eight hundred forty-three".