11809701 has 6 divisors (see below), whose sum is σ = 17058470. Its totient is φ = 7873128.

The previous prime is 11809687. The next prime is 11809703. The reversal of 11809701 is 10790811.

11809701 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 can be written as a sum of positive squares in only one way, i.e., 11088900 + 720801 = 3330^2 + 849^2 .

It is not a de Polignac number, because 11809701 - 2⁵ = 11809669 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 (11809703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 656086 + ... + 656103.

Almost surely, 2^11809701 is an apocalyptic number.

It is an amenable number.

11809701 is a deficient number, since it is larger than the sum of its proper divisors (5248769).

11809701 is a wasteful number, since it uses less digits than its factorization.

11809701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312195 (or 1312192 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 11809701 is about 3436.5245525094. The cubic root of 11809701 is about 227.7261832950.

The spelling of 11809701 in words is "eleven million, eight hundred nine thousand, seven hundred one".