12196944 has 30 divisors (see below), whose sum is σ = 34134906. Its totient is φ = 4065600.

The previous prime is 12196901. The next prime is 12196949. The reversal of 12196944 is 44969121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 3196944 = 3000^2 + 1788^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12196899 and 12196908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12196949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42207 + ... + 42494.

Almost surely, 2^12196944 is an apocalyptic number.

It is an amenable number.

12196944 is an abundant number, since it is smaller than the sum of its proper divisors (21937962).

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

12196944 is a wasteful number, since it uses less digits than its factorization.

12196944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84715 (or 84706 counting only the distinct ones).

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

The square root of 12196944 is about 3492.4123467884. The cubic root of 12196944 is about 230.1885284728.

The spelling of 12196944 in words is "twelve million, one hundred ninety-six thousand, nine hundred forty-four".