13030644 has 24 divisors (see below), whose sum is σ = 33169248. Its totient is φ = 3948640.

The previous prime is 13030631. The next prime is 13030651. The reversal of 13030644 is 44603031.

It is a self number, because there is not a number n which added to its sum of digits gives 13030644.

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 7 ways as a sum of consecutive naturals, for example, 49227 + ... + 49490.

It is an arithmetic number, because the mean of its divisors is an integer number (1382052).

Almost surely, 2^13030644 is an apocalyptic number.

It is an amenable number.

13030644 is an abundant number, since it is smaller than the sum of its proper divisors (20138604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13030644 is a wasteful number, since it uses less digits than its factorization.

13030644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98735 (or 98733 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 13030644 is about 3609.7983323172. The cubic root of 13030644 is about 235.3180784080.

Adding to 13030644 its reverse (44603031), we get a palindrome (57633675).

The spelling of 13030644 in words is "thirteen million, thirty thousand, six hundred forty-four".