10513644 has 12 divisors (see below), whose sum is σ = 24531864. Its totient is φ = 3504544.

The previous prime is 10513639. The next prime is 10513649. The reversal of 10513644 is 44631501.

It is an interprime number because it is at equal distance from previous prime (10513639) and next prime (10513649).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10513644² = 221073420317472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10513649) 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 3 ways as a sum of consecutive naturals, for example, 438057 + ... + 438080.

It is an arithmetic number, because the mean of its divisors is an integer number (2044322).

Almost surely, 2^10513644 is an apocalyptic number.

It is an amenable number.

10513644 is an abundant number, since it is smaller than the sum of its proper divisors (14018220).

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

10513644 is a wasteful number, since it uses less digits than its factorization.

10513644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876144 (or 876142 counting only the distinct ones).

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

The square root of 10513644 is about 3242.4749806282. The cubic root of 10513644 is about 219.0707638130.

The spelling of 10513644 in words is "ten million, five hundred thirteen thousand, six hundred forty-four".