13104646 has 4 divisors (see below), whose sum is σ = 19656972. Its totient is φ = 6552322.

The previous prime is 13104631. The next prime is 13104647. The reversal of 13104646 is 64640131.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13104646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104647) by changing a digit.

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 as a sum of consecutive naturals, namely, 3276160 + ... + 3276163.

It is an arithmetic number, because the mean of its divisors is an integer number (4914243).

Almost surely, 2^13104646 is an apocalyptic number.

13104646 is a deficient number, since it is larger than the sum of its proper divisors (6552326).

13104646 is an equidigital number, since it uses as much as digits as its factorization.

13104646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6552325.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13104646 is about 3620.0339777411. The cubic root of 13104646 is about 235.7627007638.

Adding to 13104646 its reverse (64640131), we get a palindrome (77744777).

The spelling of 13104646 in words is "thirteen million, one hundred four thousand, six hundred forty-six".