13157303 has 12 divisors (see below), whose sum is σ = 14257080. Its totient is φ = 12135552.

The previous prime is 13157293. The next prime is 13157341. The reversal of 13157303 is 30375131.

It is a happy number.

It is not a de Polignac number, because 13157303 - 2⁶ = 13157239 is a prime.

It is a super-2 number, since 2×13157303² = 346229244467618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13157383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14888 + ... + 15746.

It is an arithmetic number, because the mean of its divisors is an integer number (1188090).

Almost surely, 2^13157303 is an apocalyptic number.

13157303 is a deficient number, since it is larger than the sum of its proper divisors (1099777).

13157303 is an equidigital number, since it uses as much as digits as its factorization.

13157303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 13157303 is about 3627.2996843382. The cubic root of 13157303 is about 236.0780587807.

The spelling of 13157303 in words is "thirteen million, one hundred fifty-seven thousand, three hundred three".