12124669 has 2 divisors, whose sum is σ = 12124670. Its totient is φ = 12124668.

The previous prime is 12124663. The next prime is 12124687. The reversal of 12124669 is 96642121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11648569 + 476100 = 3413^2 + 690^2 .

It is an emirp because it is prime and its reverse (96642121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12124669 - 2³ = 12124661 is a prime.

It is a super-2 number, since 2×12124669² = 294015196719122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12124669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12124661) 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, 6062334 + 6062335.

It is an arithmetic number, because the mean of its divisors is an integer number (6062335).

Almost surely, 2^12124669 is an apocalyptic number.

It is an amenable number.

12124669 is a deficient number, since it is larger than the sum of its proper divisors (1).

12124669 is an equidigital number, since it uses as much as digits as its factorization.

12124669 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 12124669 is about 3482.0495401416. The cubic root of 12124669 is about 229.7329540814.

The spelling of 12124669 in words is "twelve million, one hundred twenty-four thousand, six hundred sixty-nine".