13003860 has 24 divisors (see below), whose sum is σ = 36410976. Its totient is φ = 3467680.

The previous prime is 13003841. The next prime is 13003877. The reversal of 13003860 is 6830031.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 108306 + ... + 108425.

It is an arithmetic number, because the mean of its divisors is an integer number (1517124).

Almost surely, 2^13003860 is an apocalyptic number.

13003860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13003860 is an abundant number, since it is smaller than the sum of its proper divisors (23407116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13003860 is a wasteful number, since it uses less digits than its factorization.

13003860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216743 (or 216741 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13003860 is about 3606.0865214246. The cubic root of 13003860 is about 235.1567386535.

Adding to 13003860 its reverse (6830031), we get a palindrome (19833891).

The spelling of 13003860 in words is "thirteen million, three thousand, eight hundred sixty".