12196836 has 36 divisors (see below), whose sum is σ = 31068492. Its totient is φ = 4034304.

The previous prime is 12196819. The next prime is 12196853. The reversal of 12196836 is 63869121.

It is an interprime number because it is at equal distance from previous prime (12196819) and next prime (12196853).

It can be written as a sum of positive squares in 2 ways, for example, as 8156736 + 4040100 = 2856^2 + 2010^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12196836.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3696 + ... + 6168.

Almost surely, 2^12196836 is an apocalyptic number.

It is an amenable number.

12196836 is an abundant number, since it is smaller than the sum of its proper divisors (18871656).

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

12196836 is a wasteful number, since it uses less digits than its factorization.

12196836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620 (or 2615 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12196836 is about 3492.3968846625. The cubic root of 12196836 is about 230.1878490558.

The spelling of 12196836 in words is "twelve million, one hundred ninety-six thousand, eight hundred thirty-six".