11172689 has 8 divisors (see below), whose sum is σ = 12905568. Its totient is φ = 9559360.

The previous prime is 11172683. The next prime is 11172691. The reversal of 11172689 is 98627111.

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 11172689 - 2⁴ = 11172673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11172683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29687 + ... + 30060.

It is an arithmetic number, because the mean of its divisors is an integer number (1613196).

Almost surely, 2^11172689 is an apocalyptic number.

It is an amenable number.

11172689 is a deficient number, since it is larger than the sum of its proper divisors (1732879).

11172689 is a wasteful number, since it uses less digits than its factorization.

11172689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59775.

The product of its digits is 6048, while the sum is 35.

The square root of 11172689 is about 3342.5572545583. The cubic root of 11172689 is about 223.5557801942. Note that the first 3 decimals are identical.

The spelling of 11172689 in words is "eleven million, one hundred seventy-two thousand, six hundred eighty-nine".