11681327 has 8 divisors (see below), whose sum is σ = 13780992. Its totient is φ = 9689400.

The previous prime is 11681323. The next prime is 11681347. The reversal of 11681327 is 72318611.

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

It is not a de Polignac number, because 11681327 - 2² = 11681323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11681327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11681323) 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, 26699 + ... + 27132.

It is an arithmetic number, because the mean of its divisors is an integer number (1722624).

Almost surely, 2^11681327 is an apocalyptic number.

11681327 is a deficient number, since it is larger than the sum of its proper divisors (2099665).

11681327 is an equidigital number, since it uses as much as digits as its factorization.

11681327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53869.

The product of its digits is 2016, while the sum is 29.

The square root of 11681327 is about 3417.7956346160. The cubic root of 11681327 is about 226.8980310132.

Adding to 11681327 its reverse (72318611), we get a palindrome (83999938).

The spelling of 11681327 in words is "eleven million, six hundred eighty-one thousand, three hundred twenty-seven".