13773689 has 8 divisors (see below), whose sum is σ = 15351840. Its totient is φ = 12280896.

The previous prime is 13773671. The next prime is 13773691. The reversal of 13773689 is 98637731.

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 13773689 - 2⁸ = 13773433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13773629) 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, 20999 + ... + 21644.

It is an arithmetic number, because the mean of its divisors is an integer number (1918980).

Almost surely, 2^13773689 is an apocalyptic number.

13773689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13773689 is a deficient number, since it is larger than the sum of its proper divisors (1578151).

13773689 is a wasteful number, since it uses less digits than its factorization.

13773689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42679.

The product of its digits is 190512, while the sum is 44.

The square root of 13773689 is about 3711.2920930587. The cubic root of 13773689 is about 239.7084944585.

The spelling of 13773689 in words is "thirteen million, seven hundred seventy-three thousand, six hundred eighty-nine".