13785611 has 6 divisors (see below), whose sum is σ = 16036380. Its totient is φ = 11816196.

The previous prime is 13785601. The next prime is 13785613. The reversal of 13785611 is 11658731.

It is not a de Polignac number, because 13785611 - 2⁶ = 13785547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13785613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140621 + ... + 140718.

It is an arithmetic number, because the mean of its divisors is an integer number (2672730).

Almost surely, 2^13785611 is an apocalyptic number.

13785611 is a deficient number, since it is larger than the sum of its proper divisors (2250769).

13785611 is an equidigital number, since it uses as much as digits as its factorization.

13785611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281353 (or 281346 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 13785611 is about 3712.8979248021. The cubic root of 13785611 is about 239.7776354739. Note that the first 3 decimals are identical.

The spelling of 13785611 in words is "thirteen million, seven hundred eighty-five thousand, six hundred eleven".