10644013 has 8 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 10403808.

The previous prime is 10644001. The next prime is 10644017. The reversal of 10644013 is 31044601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10644013 - 2⁵ = 10643981 is a prime.

It is a super-2 number, since 2×10644013² = 226590025488338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12753 + ... + 13561.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 2^10644013 is an apocalyptic number.

It is an amenable number.

10644013 is a deficient number, since it is larger than the sum of its proper divisors (242387).

10644013 is an equidigital number, since it uses as much as digits as its factorization.

10644013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091.

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

The square root of 10644013 is about 3262.5163601122. The cubic root of 10644013 is about 219.9725378944.

Adding to 10644013 its reverse (31044601), we get a palindrome (41688614).

The spelling of 10644013 in words is "ten million, six hundred forty-four thousand, thirteen".