11786961 has 8 divisors (see below), whose sum is σ = 15982560. Its totient is φ = 7724672.

The previous prime is 11786959. The next prime is 11786981. The reversal of 11786961 is 16968711.

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 11786961 - 2¹ = 11786959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11786911) 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, 33120 + ... + 33473.

It is an arithmetic number, because the mean of its divisors is an integer number (1997820).

Almost surely, 2^11786961 is an apocalyptic number.

It is an amenable number.

11786961 is a deficient number, since it is larger than the sum of its proper divisors (4195599).

11786961 is an equidigital number, since it uses as much as digits as its factorization.

11786961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66655.

The product of its digits is 18144, while the sum is 39.

The square root of 11786961 is about 3433.2143830527. The cubic root of 11786961 is about 227.5799244197.

It can be divided in two parts, 117 and 86961, that added together give a palindrome (87078).

The spelling of 11786961 in words is "eleven million, seven hundred eighty-six thousand, nine hundred sixty-one".