11707645 has 8 divisors (see below), whose sum is σ = 14875704. Its totient is φ = 8815104.

The previous prime is 11707639. The next prime is 11707649. The reversal of 11707645 is 54670711.

It can be written as a sum of positive squares in 4 ways, for example, as 1397124 + 10310521 = 1182^2 + 3211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11707645 - 2⁷ = 11707517 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 (11707649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68784 + ... + 68953.

It is an arithmetic number, because the mean of its divisors is an integer number (1859463).

Almost surely, 2^11707645 is an apocalyptic number.

It is an amenable number.

11707645 is a deficient number, since it is larger than the sum of its proper divisors (3168059).

11707645 is a wasteful number, since it uses less digits than its factorization.

11707645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137759.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 11707645 is about 3421.6436108981. The cubic root of 11707645 is about 227.0683034315.

The spelling of 11707645 in words is "eleven million, seven hundred seven thousand, six hundred forty-five".