11707643 has 4 divisors (see below), whose sum is σ = 11715600. Its totient is φ = 11699688.

The previous prime is 11707639. The next prime is 11707649. The reversal of 11707643 is 34670711.

11707643 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 brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11707643 - 2² = 11707639 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (11707649) 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, 1055 + ... + 4952.

It is an arithmetic number, because the mean of its divisors is an integer number (2928900).

Almost surely, 2^11707643 is an apocalyptic number.

11707643 is a deficient number, since it is larger than the sum of its proper divisors (7957).

11707643 is an equidigital number, since it uses as much as digits as its factorization.

11707643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7956.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 11707643 is about 3421.6433186409. The cubic root of 11707643 is about 227.0682905016.

The spelling of 11707643 in words is "eleven million, seven hundred seven thousand, six hundred forty-three".