11873717 has 2 divisors, whose sum is σ = 11873718. Its totient is φ = 11873716.

The previous prime is 11873699. The next prime is 11873747. The reversal of 11873717 is 71737811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11566801 + 306916 = 3401^2 + 554^2 .

It is an emirp because it is prime and its reverse (71737811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11873717 - 2¹⁴ = 11857333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11873747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936858 + 5936859.

It is an arithmetic number, because the mean of its divisors is an integer number (5936859).

Almost surely, 2^11873717 is an apocalyptic number.

It is an amenable number.

11873717 is a deficient number, since it is larger than the sum of its proper divisors (1).

11873717 is an equidigital number, since it uses as much as digits as its factorization.

11873717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8232, while the sum is 35.

The square root of 11873717 is about 3445.8260257883. The cubic root of 11873717 is about 228.1369150466.

The spelling of 11873717 in words is "eleven million, eight hundred seventy-three thousand, seven hundred seventeen".