13004303 has 24 divisors (see below), whose sum is σ = 15745968. Its totient is φ = 10637568.

The previous prime is 13004297. The next prime is 13004311. The reversal of 13004303 is 30340031.

It is a happy number.

It is not a de Polignac number, because 13004303 - 2¹⁶ = 12938767 is a prime.

It is a super-2 number, since 2×13004303² = 338223793031618, 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 (13004323) 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 23 ways as a sum of consecutive naturals, for example, 79700 + ... + 79862.

It is an arithmetic number, because the mean of its divisors is an integer number (656082).

Almost surely, 2^13004303 is an apocalyptic number.

13004303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13004303 is a deficient number, since it is larger than the sum of its proper divisors (2741665).

13004303 is a wasteful number, since it uses less digits than its factorization.

13004303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 13004303 is about 3606.1479448298. The cubic root of 13004303 is about 235.1594089696.

Adding to 13004303 its reverse (30340031), we get a palindrome (43344334).

The spelling of 13004303 in words is "thirteen million, four thousand, three hundred three".