11946785 has 16 divisors (see below), whose sum is σ = 14856912. Its totient is φ = 9216000.

The previous prime is 11946773. The next prime is 11946787. The reversal of 11946785 is 58764911.

It can be written as a sum of positive squares in 8 ways, for example, as 984064 + 10962721 = 992^2 + 3311^2 .

It is not a de Polignac number, because 11946785 - 2⁴ = 11946769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11946787) 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 15 ways as a sum of consecutive naturals, for example, 20417 + ... + 20993.

It is an arithmetic number, because the mean of its divisors is an integer number (928557).

Almost surely, 2^11946785 is an apocalyptic number.

It is an amenable number.

11946785 is a deficient number, since it is larger than the sum of its proper divisors (2910127).

11946785 is a wasteful number, since it uses less digits than its factorization.

11946785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its digits is 60480, while the sum is 41.

The square root of 11946785 is about 3456.4121571364. The cubic root of 11946785 is about 228.6039249742.

The spelling of 11946785 in words is "eleven million, nine hundred forty-six thousand, seven hundred eighty-five".