11689456 has 10 divisors (see below), whose sum is σ = 22648352. Its totient is φ = 5844720.

The previous prime is 11689453. The next prime is 11689481. The reversal of 11689456 is 65498611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11689453) 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 as a sum of consecutive naturals, namely, 365280 + ... + 365311.

Almost surely, 2^11689456 is an apocalyptic number.

11689456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11689456 is a deficient number, since it is larger than the sum of its proper divisors (10958896).

11689456 is an equidigital number, since it uses as much as digits as its factorization.

11689456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730599 (or 730593 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 11689456 is about 3418.9846445985. The cubic root of 11689456 is about 226.9506513594.

The spelling of 11689456 in words is "eleven million, six hundred eighty-nine thousand, four hundred fifty-six".