12126469 has 2 divisors, whose sum is σ = 12126470. Its totient is φ = 12126468.

The previous prime is 12126467. The next prime is 12126481. The reversal of 12126469 is 96462121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 1790244 = 3215^2 + 1338^2 .

It is a cyclic number.

It is not a de Polignac number, because 12126469 - 2¹ = 12126467 is a prime.

It is a super-2 number, since 2×12126469² = 294102500815922, which contains 22 as substring.

Together with 12126467, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12126469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12126461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6063234 + 6063235.

It is an arithmetic number, because the mean of its divisors is an integer number (6063235).

Almost surely, 2^12126469 is an apocalyptic number.

It is an amenable number.

12126469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12126469 is an equidigital number, since it uses as much as digits as its factorization.

12126469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 12126469 is about 3482.3079990144. The cubic root of 12126469 is about 229.7443220578.

The spelling of 12126469 in words is "twelve million, one hundred twenty-six thousand, four hundred sixty-nine".