13940203 has 2 divisors, whose sum is σ = 13940204. Its totient is φ = 13940202.

The previous prime is 13940191. The next prime is 13940207. The reversal of 13940203 is 30204931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13940203 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (13940207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6970101 + 6970102.

It is an arithmetic number, because the mean of its divisors is an integer number (6970102).

Almost surely, 2^13940203 is an apocalyptic number.

13940203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13940203 is an equidigital number, since it uses as much as digits as its factorization.

13940203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13940203 is about 3733.6581257528. The cubic root of 13940203 is about 240.6705955762.

The spelling of 13940203 in words is "thirteen million, nine hundred forty thousand, two hundred three".