13142303 has 4 divisors (see below), whose sum is σ = 13300728. Its totient is φ = 12983880.

The previous prime is 13142299. The next prime is 13142321. The reversal of 13142303 is 30324131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30324131 = 937 ⋅32363.

It is a cyclic number.

It is not a de Polignac number, because 13142303 - 2² = 13142299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79088 + ... + 79253.

It is an arithmetic number, because the mean of its divisors is an integer number (3325182).

Almost surely, 2^13142303 is an apocalyptic number.

13142303 is a deficient number, since it is larger than the sum of its proper divisors (158425).

13142303 is an equidigital number, since it uses as much as digits as its factorization.

13142303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158424.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13142303 is about 3625.2314408876. The cubic root of 13142303 is about 235.9883109695.

Adding to 13142303 its reverse (30324131), we get a palindrome (43466434).

The spelling of 13142303 in words is "thirteen million, one hundred forty-two thousand, three hundred three".