13003916 has 6 divisors (see below), whose sum is σ = 22756860. Its totient is φ = 6501956.

The previous prime is 13003889. The next prime is 13003937. The reversal of 13003916 is 61930031.

It is a junction number, because it is equal to n+sod(n) for n = 13003891 and 13003900.

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 as a sum of consecutive naturals, namely, 1625486 + ... + 1625493.

It is an arithmetic number, because the mean of its divisors is an integer number (3792810).

Almost surely, 2^13003916 is an apocalyptic number.

It is an amenable number.

13003916 is a deficient number, since it is larger than the sum of its proper divisors (9752944).

13003916 is a wasteful number, since it uses less digits than its factorization.

13003916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250983 (or 3250981 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 13003916 is about 3606.0942860663. The cubic root of 13003916 is about 235.1570762137.

Adding to 13003916 its reverse (61930031), we get a palindrome (74933947).

The spelling of 13003916 in words is "thirteen million, three thousand, nine hundred sixteen".