10949513 has 4 divisors (see below), whose sum is σ = 11593620. Its totient is φ = 10305408.

The previous prime is 10949509. The next prime is 10949527. The reversal of 10949513 is 31594901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3485689 + 7463824 = 1867^2 + 2732^2 .

It is a cyclic number.

It is not a de Polignac number, because 10949513 - 2² = 10949509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10949513.

It is not an unprimeable number, because it can be changed into a prime (10949503) 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, 322028 + ... + 322061.

It is an arithmetic number, because the mean of its divisors is an integer number (2898405).

Almost surely, 2^10949513 is an apocalyptic number.

It is an amenable number.

10949513 is a deficient number, since it is larger than the sum of its proper divisors (644107).

10949513 is an equidigital number, since it uses as much as digits as its factorization.

10949513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644106.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 10949513 is about 3309.0048352941. The cubic root of 10949513 is about 222.0572384400.

Subtracting from 10949513 its sum of digits (32), we obtain a square (10949481 = 3309²).

The spelling of 10949513 in words is "ten million, nine hundred forty-nine thousand, five hundred thirteen".