12169601 has 2 divisors, whose sum is σ = 12169602. Its totient is φ = 12169600.

The previous prime is 12169571. The next prime is 12169607. The reversal of 12169601 is 10696121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12082576 + 87025 = 3476^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 12169601 - 2¹⁰ = 12168577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12169607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6084800 + 6084801.

It is an arithmetic number, because the mean of its divisors is an integer number (6084801).

Almost surely, 2^12169601 is an apocalyptic number.

It is an amenable number.

12169601 is a deficient number, since it is larger than the sum of its proper divisors (1).

12169601 is an equidigital number, since it uses as much as digits as its factorization.

12169601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 12169601 is about 3488.4955209947. The cubic root of 12169601 is about 230.0163882462.

The spelling of 12169601 in words is "twelve million, one hundred sixty-nine thousand, six hundred one".