11788667 has 16 divisors (see below), whose sum is σ = 13755744. Its totient is φ = 10067200.

The previous prime is 11788663. The next prime is 11788723. The reversal of 11788667 is 76688711.

11788667 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11788667 - 2² = 11788663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11788663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22367 + ... + 22887.

It is an arithmetic number, because the mean of its divisors is an integer number (859734).

Almost surely, 2^11788667 is an apocalyptic number.

11788667 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11788667 is a deficient number, since it is larger than the sum of its proper divisors (1967077).

11788667 is an equidigital number, since it uses as much as digits as its factorization.

11788667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 549 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The square root of 11788667 is about 3433.4628292731. The cubic root of 11788667 is about 227.5909035748.

Adding to 11788667 its sum of digits (44), we get a palindrome (11788711).

The spelling of 11788667 in words is "eleven million, seven hundred eighty-eight thousand, six hundred sixty-seven".