11640713 has 4 divisors (see below), whose sum is σ = 13303680. Its totient is φ = 9977748.

The previous prime is 11640689. The next prime is 11640719. The reversal of 11640713 is 31704611.

11640713 is digitally balanced in base 3, 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, 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: 31704611 = 2593 ⋅12227.

It is a cyclic number.

It is not a de Polignac number, because 11640713 - 2⁶ = 11640649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11640719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831473 + ... + 831486.

It is an arithmetic number, because the mean of its divisors is an integer number (3325920).

Almost surely, 2^11640713 is an apocalyptic number.

It is an amenable number.

11640713 is a deficient number, since it is larger than the sum of its proper divisors (1662967).

11640713 is an equidigital number, since it uses as much as digits as its factorization.

11640713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662966.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 11640713 is about 3411.8489122468. The cubic root of 11640713 is about 226.6347636279.

The spelling of 11640713 in words is "eleven million, six hundred forty thousand, seven hundred thirteen".