13800503 has 2 divisors, whose sum is σ = 13800504. Its totient is φ = 13800502.

The previous prime is 13800497. The next prime is 13800509. The reversal of 13800503 is 30500831.

13800503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (13800497) and next prime (13800509).

It is an emirp because it is prime and its reverse (30500831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13800503 - 2¹⁰ = 13799479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13800509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6900251 + 6900252.

It is an arithmetic number, because the mean of its divisors is an integer number (6900252).

Almost surely, 2^13800503 is an apocalyptic number.

13800503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13800503 is an equidigital number, since it uses as much as digits as its factorization.

13800503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13800503 is about 3714.9028251086. The cubic root of 13800503 is about 239.8639448762.

The spelling of 13800503 in words is "thirteen million, eight hundred thousand, five hundred three".