10566513 has 12 divisors (see below), whose sum is σ = 15313168. Its totient is φ = 7021080.

The previous prime is 10566511. The next prime is 10566529. The reversal of 10566513 is 31566501.

It is a happy number.

10566513 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 651 + 3 = 666.

10566513 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10566513 - 2¹ = 10566511 is a prime.

It is a super-2 number, since 2×10566513² = 223302393958338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10566511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206 + ... + 4752.

Almost surely, 2^10566513 is an apocalyptic number.

It is an amenable number.

10566513 is a deficient number, since it is larger than the sum of its proper divisors (4746655).

10566513 is a wasteful number, since it uses less digits than its factorization.

10566513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3881 counting only the distinct ones).

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

The square root of 10566513 is about 3250.6173259859. The cubic root of 10566513 is about 219.4373570512.

It can be divided in two parts, 1056 and 6513, that added together give a square (7569 = 87²).

The spelling of 10566513 in words is "ten million, five hundred sixty-six thousand, five hundred thirteen".