12196637 has 2 divisors, whose sum is σ = 12196638. Its totient is φ = 12196636.

The previous prime is 12196619. The next prime is 12196661. The reversal of 12196637 is 73669121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9821956 + 2374681 = 3134^2 + 1541^2 .

It is a cyclic number.

It is not a de Polignac number, because 12196637 - 2¹² = 12192541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12196597 and 12196606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12196697) 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 as a sum of consecutive naturals, namely, 6098318 + 6098319.

It is an arithmetic number, because the mean of its divisors is an integer number (6098319).

Almost surely, 2^12196637 is an apocalyptic number.

It is an amenable number.

12196637 is a deficient number, since it is larger than the sum of its proper divisors (1).

12196637 is an equidigital number, since it uses as much as digits as its factorization.

12196637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 12196637 is about 3492.3683940844. The cubic root of 12196637 is about 230.1865971565.

The spelling of 12196637 in words is "twelve million, one hundred ninety-six thousand, six hundred thirty-seven".