13845001 has 2 divisors, whose sum is σ = 13845002. Its totient is φ = 13845000.

The previous prime is 13844969. The next prime is 13845019. The reversal of 13845001 is 10054831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7209225 + 6635776 = 2685^2 + 2576^2 .

It is an emirp because it is prime and its reverse (10054831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13845001 - 2⁵ = 13844969 is a prime.

It is not a weakly prime, because it can be changed into another prime (13845061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6922500 + 6922501.

It is an arithmetic number, because the mean of its divisors is an integer number (6922501).

Almost surely, 2^13845001 is an apocalyptic number.

It is an amenable number.

13845001 is a deficient number, since it is larger than the sum of its proper divisors (1).

13845001 is an equidigital number, since it uses as much as digits as its factorization.

13845001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13845001 is about 3720.8871254044. The cubic root of 13845001 is about 240.1214720733.

Adding to 13845001 its reverse (10054831), we get a palindrome (23899832).

The spelling of 13845001 in words is "thirteen million, eight hundred forty-five thousand, one".