10013644 has 12 divisors (see below), whose sum is σ = 17621968. Its totient is φ = 4978800.

The previous prime is 10013639. The next prime is 10013659. The reversal of 10013644 is 44631001.

It is a happy number.

10013644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6192 + ... + 7639.

Almost surely, 2^10013644 is an apocalyptic number.

It is an amenable number.

10013644 is a deficient number, since it is larger than the sum of its proper divisors (7608324).

10013644 is a wasteful number, since it uses less digits than its factorization.

10013644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016 (or 14014 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 10013644 is about 3164.4342306327. The cubic root of 10013644 is about 215.5414081637.

Adding to 10013644 its reverse (44631001), we get a palindrome (54644645).

The spelling of 10013644 in words is "ten million, thirteen thousand, six hundred forty-four".