12106637 has 2 divisors, whose sum is σ = 12106638. Its totient is φ = 12106636.

The previous prime is 12106621. The next prime is 12106639. The reversal of 12106637 is 73660121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10883401 + 1223236 = 3299^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 12106637 - 2⁴ = 12106621 is a prime.

It is a super-3 number, since 3×12106637³ (a number of 22 digits) contains 333 as substring.

Together with 12106639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12106639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6053318 + 6053319.

It is an arithmetic number, because the mean of its divisors is an integer number (6053319).

Almost surely, 2^12106637 is an apocalyptic number.

It is an amenable number.

12106637 is a deficient number, since it is larger than the sum of its proper divisors (1).

12106637 is an equidigital number, since it uses as much as digits as its factorization.

12106637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12106637 is about 3479.4592970748. The cubic root of 12106637 is about 229.6190100788.

Adding to 12106637 its reverse (73660121), we get a palindrome (85766758).

The spelling of 12106637 in words is "twelve million, one hundred six thousand, six hundred thirty-seven".