11709253 has 4 divisors (see below), whose sum is σ = 11794860. Its totient is φ = 11623648.

The previous prime is 11709241. The next prime is 11709259. The reversal of 11709253 is 35290711.

11709253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9253764 + 2455489 = 3042^2 + 1567^2 .

It is a cyclic number.

It is not a de Polignac number, because 11709253 - 2¹⁷ = 11578181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11709259) 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, 42598 + ... + 42871.

It is an arithmetic number, because the mean of its divisors is an integer number (2948715).

Almost surely, 2^11709253 is an apocalyptic number.

It is an amenable number.

11709253 is a deficient number, since it is larger than the sum of its proper divisors (85607).

11709253 is an equidigital number, since it uses as much as digits as its factorization.

11709253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85606.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 11709253 is about 3421.8785776237. The cubic root of 11709253 is about 227.0786986083.

Adding to 11709253 its reverse (35290711), we get a palindrome (46999964).

The spelling of 11709253 in words is "eleven million, seven hundred nine thousand, two hundred fifty-three".