12195776 has 28 divisors (see below), whose sum is σ = 25039320. Its totient is φ = 5886720.

The previous prime is 12195767. The next prime is 12195779. The reversal of 12195776 is 67759121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12195779) 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 3 ways as a sum of consecutive naturals, for example, 1430 + ... + 5141.

Almost surely, 2^12195776 is an apocalyptic number.

12195776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12195776 is an abundant number, since it is smaller than the sum of its proper divisors (12843544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12195776 is an equidigital number, since it uses as much as digits as its factorization.

12195776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612 (or 6602 counting only the distinct ones).

The product of its digits is 26460, while the sum is 38.

The square root of 12195776 is about 3492.2451231264. The cubic root of 12195776 is about 230.1811804906.

The spelling of 12195776 in words is "twelve million, one hundred ninety-five thousand, seven hundred seventy-six".