13501003 has 2 divisors, whose sum is σ = 13501004. Its totient is φ = 13501002.

The previous prime is 13500997. The next prime is 13501031. The reversal of 13501003 is 30010531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13501003 - 2⁹ = 13500491 is a prime.

It is not a weakly prime, because it can be changed into another prime (13501063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6750501 + 6750502.

It is an arithmetic number, because the mean of its divisors is an integer number (6750502).

Almost surely, 2^13501003 is an apocalyptic number.

13501003 is a deficient number, since it is larger than the sum of its proper divisors (1).

13501003 is an equidigital number, since it uses as much as digits as its factorization.

13501003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 13501003 is about 3674.3711026514. The cubic root of 13501003 is about 238.1160545501.

Adding to 13501003 its reverse (30010531), we get a palindrome (43511534).

The spelling of 13501003 in words is "thirteen million, five hundred one thousand, three".