10513656 has 24 divisors (see below), whose sum is σ = 28474680. Its totient is φ = 3504528.

The previous prime is 10513649. The next prime is 10513687. The reversal of 10513656 is 65631501.

It is a happy number.

10513656 is a `hidden beast` number, since 1 + 0 + 5 + 1 + 3 + 656 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×10513656² = 221073924972672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 72940 + ... + 73083.

It is an arithmetic number, because the mean of its divisors is an integer number (1186445).

Almost surely, 2^10513656 is an apocalyptic number.

It is an amenable number.

10513656 is an abundant number, since it is smaller than the sum of its proper divisors (17961024).

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

10513656 is a wasteful number, since it uses less digits than its factorization.

10513656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146035 (or 146028 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 10513656 is about 3242.4768310660. The cubic root of 10513656 is about 219.0708471602.

The spelling of 10513656 in words is "ten million, five hundred thirteen thousand, six hundred fifty-six".