13103534 has 16 divisors (see below), whose sum is σ = 20476800. Its totient is φ = 6281184.

The previous prime is 13103533. The next prime is 13103543. The reversal of 13103534 is 43530131.

It is a happy number.

13103534 is nontrivially palindromic in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8387 + ... + 9825.

It is an arithmetic number, because the mean of its divisors is an integer number (1279800).

Almost surely, 2^13103534 is an apocalyptic number.

13103534 is a deficient number, since it is larger than the sum of its proper divisors (7373266).

13103534 is a wasteful number, since it uses less digits than its factorization.

13103534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 13103534 is about 3619.8803847641. The cubic root of 13103534 is about 235.7560319956.

Adding to 13103534 its reverse (43530131), we get a palindrome (56633665).

The spelling of 13103534 in words is "thirteen million, one hundred three thousand, five hundred thirty-four".