13073503 has 2 divisors, whose sum is σ = 13073504. Its totient is φ = 13073502.

The previous prime is 13073491. The next prime is 13073513. The reversal of 13073503 is 30537031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13073503 - 2⁵ = 13073471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13073513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6536751 + 6536752.

It is an arithmetic number, because the mean of its divisors is an integer number (6536752).

Almost surely, 2^13073503 is an apocalyptic number.

13073503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13073503 is an equidigital number, since it uses as much as digits as its factorization.

13073503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 22.

The square root of 13073503 is about 3615.7299401366. The cubic root of 13073503 is about 235.5757904162.

The spelling of 13073503 in words is "thirteen million, seventy-three thousand, five hundred three".