11705613 has 4 divisors (see below), whose sum is σ = 15607488. Its totient is φ = 7803740.

The previous prime is 11705609. The next prime is 11705651. The reversal of 11705613 is 31650711.

11705613 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 a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31650711 = 3 ⋅10550237.

It is a cyclic number.

It is not a de Polignac number, because 11705613 - 2² = 11705609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11705663) 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, 1950933 + ... + 1950938.

It is an arithmetic number, because the mean of its divisors is an integer number (3901872).

Almost surely, 2^11705613 is an apocalyptic number.

It is an amenable number.

11705613 is a deficient number, since it is larger than the sum of its proper divisors (3901875).

11705613 is an equidigital number, since it uses as much as digits as its factorization.

11705613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901874.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 11705613 is about 3421.3466646921. The cubic root of 11705613 is about 227.0551658766.

The spelling of 11705613 in words is "eleven million, seven hundred five thousand, six hundred thirteen".