10513705 has 4 divisors (see below), whose sum is σ = 12616452. Its totient is φ = 8410960.

The previous prime is 10513703. The next prime is 10513709. The reversal of 10513705 is 50731501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50731501 = 19 ⋅2670079.

It can be written as a sum of positive squares in 2 ways, for example, as 1817104 + 8696601 = 1348^2 + 2949^2 .

It is not a de Polignac number, because 10513705 - 2¹ = 10513703 is a prime.

It is a super-2 number, since 2×10513705² = 221075985654050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10513703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051366 + ... + 1051375.

It is an arithmetic number, because the mean of its divisors is an integer number (3154113).

Almost surely, 2^10513705 is an apocalyptic number.

It is an amenable number.

10513705 is a deficient number, since it is larger than the sum of its proper divisors (2102747).

10513705 is an equidigital number, since it uses as much as digits as its factorization.

10513705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102746.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 10513705 is about 3242.4843870094. The cubic root of 10513705 is about 219.0711874939.

The spelling of 10513705 in words is "ten million, five hundred thirteen thousand, seven hundred five".