13103236 has 12 divisors (see below), whose sum is σ = 24137680. Its totient is φ = 6206760.

The previous prime is 13103219. The next prime is 13103239. The reversal of 13103236 is 63230131.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (13103239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 86130 + ... + 86281.

Almost surely, 2^13103236 is an apocalyptic number.

It is an amenable number.

13103236 is a deficient number, since it is larger than the sum of its proper divisors (11034444).

13103236 is a wasteful number, since it uses less digits than its factorization.

13103236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172434 (or 172432 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 13103236 is about 3619.8392229490. The cubic root of 13103236 is about 235.7542447976.

Adding to 13103236 its reverse (63230131), we get a palindrome (76333367).

The spelling of 13103236 in words is "thirteen million, one hundred three thousand, two hundred thirty-six".