13103512 has 16 divisors (see below), whose sum is σ = 24651360. Its totient is φ = 6529824.

The previous prime is 13103509. The next prime is 13103533. The reversal of 13103512 is 21530131.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48 + ... + 5119.

It is an arithmetic number, because the mean of its divisors is an integer number (1540710).

Almost surely, 2^13103512 is an apocalyptic number.

It is an amenable number.

13103512 is a deficient number, since it is larger than the sum of its proper divisors (11547848).

13103512 is a wasteful number, since it uses less digits than its factorization.

13103512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490 (or 5486 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13103512 is about 3619.8773459884. The cubic root of 13103512 is about 235.7559000558.

Adding to 13103512 its reverse (21530131), we get a palindrome (34633643).

The spelling of 13103512 in words is "thirteen million, one hundred three thousand, five hundred twelve".