12196785 has 16 divisors (see below), whose sum is σ = 20363904. Its totient is φ = 6221952.

The previous prime is 12196783. The next prime is 12196813. The reversal of 12196785 is 58769121.

It is not a de Polignac number, because 12196785 - 2¹ = 12196783 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12196783) 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 15 ways as a sum of consecutive naturals, for example, 17332 + ... + 18021.

It is an arithmetic number, because the mean of its divisors is an integer number (1272744).

Almost surely, 2^12196785 is an apocalyptic number.

12196785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12196785 is a deficient number, since it is larger than the sum of its proper divisors (8167119).

12196785 is a wasteful number, since it uses less digits than its factorization.

12196785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35384.

The product of its digits is 30240, while the sum is 39.

The square root of 12196785 is about 3492.3895830792. The cubic root of 12196785 is about 230.1875282186.

The spelling of 12196785 in words is "twelve million, one hundred ninety-six thousand, seven hundred eighty-five".