13008646 has 24 divisors (see below), whose sum is σ = 23199120. Its totient is φ = 5352816.

The previous prime is 13008643. The next prime is 13008647. The reversal of 13008646 is 64680031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13008643) 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 in 11 ways as a sum of consecutive naturals, for example, 72585 + ... + 72763.

It is an arithmetic number, because the mean of its divisors is an integer number (966630).

Almost surely, 2^13008646 is an apocalyptic number.

13008646 is a deficient number, since it is larger than the sum of its proper divisors (10190474).

13008646 is an equidigital number, since it uses as much as digits as its factorization.

13008646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13008646 is about 3606.7500606502. The cubic root of 13008646 is about 235.1855845014.

Adding to 13008646 its reverse (64680031), we get a palindrome (77688677).

The spelling of 13008646 in words is "thirteen million, eight thousand, six hundred forty-six".