13257303 has 4 divisors (see below), whose sum is σ = 17676408. Its totient is φ = 8838200.

The previous prime is 13257271. The next prime is 13257317. The reversal of 13257303 is 30375231.

13257303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30375231 = 3 ⋅10125077.

It is a cyclic number.

It is not a de Polignac number, because 13257303 - 2⁵ = 13257271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13257323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209548 + ... + 2209553.

It is an arithmetic number, because the mean of its divisors is an integer number (4419102).

Almost surely, 2^13257303 is an apocalyptic number.

13257303 is a deficient number, since it is larger than the sum of its proper divisors (4419105).

13257303 is an equidigital number, since it uses as much as digits as its factorization.

13257303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419104.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 13257303 is about 3641.0579506512. The cubic root of 13257303 is about 236.6746412266.

The spelling of 13257303 in words is "thirteen million, two hundred fifty-seven thousand, three hundred three".