11787117 has 8 divisors (see below), whose sum is σ = 16081824. Its totient is φ = 7675248.

The previous prime is 11787077. The next prime is 11787121. The reversal of 11787117 is 71178711.

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

It is not a de Polignac number, because 11787117 - 2¹¹ = 11785069 is a prime.

It is a super-2 number, since 2×11787117² = 277872254343378, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11787157) 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, 45558 + ... + 45815.

It is an arithmetic number, because the mean of its divisors is an integer number (2010228).

Almost surely, 2^11787117 is an apocalyptic number.

It is an amenable number.

11787117 is a deficient number, since it is larger than the sum of its proper divisors (4294707).

11787117 is an equidigital number, since it uses as much as digits as its factorization.

11787117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91419.

The product of its digits is 2744, while the sum is 33.

The square root of 11787117 is about 3433.2371022113. The cubic root of 11787117 is about 227.5809284193.

The spelling of 11787117 in words is "eleven million, seven hundred eighty-seven thousand, one hundred seventeen".