11806761 has 4 divisors (see below), whose sum is σ = 15742352. Its totient is φ = 7871172.

The previous prime is 11806759. The next prime is 11806763. The reversal of 11806761 is 16760811.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (11806759) and next prime (11806763).

It is not a de Polignac number, because 11806761 - 2¹ = 11806759 is a prime.

It is a super-2 number, since 2×11806761² = 278799210622242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11806763) 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, 1967791 + ... + 1967796.

It is an arithmetic number, because the mean of its divisors is an integer number (3935588).

Almost surely, 2^11806761 is an apocalyptic number.

It is an amenable number.

11806761 is a deficient number, since it is larger than the sum of its proper divisors (3935591).

11806761 is an equidigital number, since it uses as much as digits as its factorization.

11806761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935590.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11806761 is about 3436.0967681368. The cubic root of 11806761 is about 227.7072844100.

The spelling of 11806761 in words is "eleven million, eight hundred six thousand, seven hundred sixty-one".