13908841 has 2 divisors, whose sum is σ = 13908842. Its totient is φ = 13908840.

The previous prime is 13908827. The next prime is 13908857. The reversal of 13908841 is 14880931.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13719616 + 189225 = 3704^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 13908841 - 2²³ = 5520233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13908797 and 13908806.

It is not a weakly prime, because it can be changed into another prime (13908821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6954420 + 6954421.

It is an arithmetic number, because the mean of its divisors is an integer number (6954421).

Almost surely, 2^13908841 is an apocalyptic number.

It is an amenable number.

13908841 is a deficient number, since it is larger than the sum of its proper divisors (1).

13908841 is an equidigital number, since it uses as much as digits as its factorization.

13908841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 13908841 is about 3729.4558584330. The cubic root of 13908841 is about 240.4899770057.

It can be divided in two parts, 139088 and 41, that added together give a square (139129 = 373²).

The spelling of 13908841 in words is "thirteen million, nine hundred eight thousand, eight hundred forty-one".