11789997 has 8 divisors (see below), whose sum is σ = 16054656. Its totient is φ = 7692672.

The previous prime is 11789983. The next prime is 11790017. The reversal of 11789997 is 79998711.

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

It is not a de Polignac number, because 11789997 - 2⁶ = 11789933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11789977) 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, 41668 + ... + 41949.

It is an arithmetic number, because the mean of its divisors is an integer number (2006832).

Almost surely, 2^11789997 is an apocalyptic number.

It is an amenable number.

11789997 is a deficient number, since it is larger than the sum of its proper divisors (4264659).

11789997 is an equidigital number, since it uses as much as digits as its factorization.

11789997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83667.

The product of its digits is 285768, while the sum is 51.

The square root of 11789997 is about 3433.6565058258. The cubic root of 11789997 is about 227.5994622049.

It can be divided in two parts, 1178 and 9997, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 11789997 in words is "eleven million, seven hundred eighty-nine thousand, nine hundred ninety-seven".