13942003 has 2 divisors, whose sum is σ = 13942004. Its totient is φ = 13942002.

The previous prime is 13941973. The next prime is 13942013. The reversal of 13942003 is 30024931.

It is a strong prime.

It is an emirp because it is prime and its reverse (30024931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13942003 - 2¹³ = 13933811 is a prime.

It is not a weakly prime, because it can be changed into another prime (13942013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6971001 + 6971002.

It is an arithmetic number, because the mean of its divisors is an integer number (6971002).

Almost surely, 2^13942003 is an apocalyptic number.

13942003 is a deficient number, since it is larger than the sum of its proper divisors (1).

13942003 is an equidigital number, since it uses as much as digits as its factorization.

13942003 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 13942003 is about 3733.8991684297. The cubic root of 13942003 is about 240.6809538287.

Adding to 13942003 its reverse (30024931), we get a palindrome (43966934).

The spelling of 13942003 in words is "thirteen million, nine hundred forty-two thousand, three".