13946903 has 2 divisors, whose sum is σ = 13946904. Its totient is φ = 13946902.

The previous prime is 13946899. The next prime is 13946909. The reversal of 13946903 is 30964931.

It is a weak prime.

It is an emirp because it is prime and its reverse (30964931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13946903 - 2² = 13946899 is a prime.

It is a super-2 number, since 2×13946903² = 389032206582818, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13946909) 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, 6973451 + 6973452.

It is an arithmetic number, because the mean of its divisors is an integer number (6973452).

Almost surely, 2^13946903 is an apocalyptic number.

13946903 is a deficient number, since it is larger than the sum of its proper divisors (1).

13946903 is an equidigital number, since it uses as much as digits as its factorization.

13946903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 13946903 is about 3734.5552613397. Note that the first 3 decimals coincide. The cubic root of 13946903 is about 240.7091467777.

The spelling of 13946903 in words is "thirteen million, nine hundred forty-six thousand, nine hundred three".