13845893 has 2 divisors, whose sum is σ = 13845894. Its totient is φ = 13845892.

The previous prime is 13845883. The next prime is 13845899. The reversal of 13845893 is 39854831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13667809 + 178084 = 3697^2 + 422^2 .

It is an emirp because it is prime and its reverse (39854831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13845893 - 2¹⁰ = 13844869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13845893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13845899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6922946 + 6922947.

It is an arithmetic number, because the mean of its divisors is an integer number (6922947).

Almost surely, 2^13845893 is an apocalyptic number.

It is an amenable number.

13845893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13845893 is an equidigital number, since it uses as much as digits as its factorization.

13845893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 13845893 is about 3721.0069873624. The cubic root of 13845893 is about 240.1266287782.

The spelling of 13845893 in words is "thirteen million, eight hundred forty-five thousand, eight hundred ninety-three".