13890941 has 2 divisors, whose sum is σ = 13890942. Its totient is φ = 13890940.

The previous prime is 13890931. The next prime is 13890949. The reversal of 13890941 is 14909831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 894916 = 3605^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 13890941 - 2¹⁰ = 13889917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13890949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6945470 + 6945471.

It is an arithmetic number, because the mean of its divisors is an integer number (6945471).

Almost surely, 2^13890941 is an apocalyptic number.

It is an amenable number.

13890941 is a deficient number, since it is larger than the sum of its proper divisors (1).

13890941 is an equidigital number, since it uses as much as digits as its factorization.

13890941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 13890941 is about 3727.0552719272. The cubic root of 13890941 is about 240.3867664270.

The spelling of 13890941 in words is "thirteen million, eight hundred ninety thousand, nine hundred forty-one".