13520303 has 2 divisors, whose sum is σ = 13520304. Its totient is φ = 13520302.

The previous prime is 13520279. The next prime is 13520333. The reversal of 13520303 is 30302531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13520303 - 2⁶ = 13520239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13520333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760151 + 6760152.

It is an arithmetic number, because the mean of its divisors is an integer number (6760152).

Almost surely, 2^13520303 is an apocalyptic number.

13520303 is a deficient number, since it is larger than the sum of its proper divisors (1).

13520303 is an equidigital number, since it uses as much as digits as its factorization.

13520303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 13520303 is about 3676.9964645074. The cubic root of 13520303 is about 238.2294646855.

Adding to 13520303 its reverse (30302531), we get a palindrome (43822834).

The spelling of 13520303 in words is "thirteen million, five hundred twenty thousand, three hundred three".