13000318 has 4 divisors (see below), whose sum is σ = 19500480. Its totient is φ = 6500158.

The previous prime is 13000307. The next prime is 13000327. The reversal of 13000318 is 81300031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81300031 = 19 ⋅4278949.

It is a super-2 number, since 2×13000318² = 338016536202248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250078 + ... + 3250081.

It is an arithmetic number, because the mean of its divisors is an integer number (4875120).

Almost surely, 2^13000318 is an apocalyptic number.

13000318 is a deficient number, since it is larger than the sum of its proper divisors (6500162).

13000318 is an equidigital number, since it uses as much as digits as its factorization.

13000318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500161.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 13000318 is about 3605.5953738599. The cubic root of 13000318 is about 235.1353859986.

Adding to 13000318 its reverse (81300031), we get a palindrome (94300349).

The spelling of 13000318 in words is "thirteen million, three hundred eighteen", and thus it is an aban number.