10644513 has 16 divisors (see below), whose sum is σ = 15814656. Its totient is φ = 6313040.

The previous prime is 10644511. The next prime is 10644523. The reversal of 10644513 is 31544601.

It is not a de Polignac number, because 10644513 - 2¹ = 10644511 is a prime.

It is a super-2 number, since 2×10644513² = 226611314014338, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10644511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1881 + ... + 4982.

It is an arithmetic number, because the mean of its divisors is an integer number (988416).

Almost surely, 2^10644513 is an apocalyptic number.

It is an amenable number.

10644513 is a deficient number, since it is larger than the sum of its proper divisors (5170143).

10644513 is a wasteful number, since it uses less digits than its factorization.

10644513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 10644513 is about 3262.5929871806. The cubic root of 10644513 is about 219.9759822265.

The spelling of 10644513 in words is "ten million, six hundred forty-four thousand, five hundred thirteen".