12469997 has 2 divisors, whose sum is σ = 12469998. Its totient is φ = 12469996.

The previous prime is 12469987. The next prime is 12470009. The reversal of 12469997 is 79996421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12348196 + 121801 = 3514^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 12469997 - 2⁸ = 12469741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12469907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6234998 + 6234999.

It is an arithmetic number, because the mean of its divisors is an integer number (6234999).

Almost surely, 2^12469997 is an apocalyptic number.

It is an amenable number.

12469997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12469997 is an equidigital number, since it uses as much as digits as its factorization.

12469997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 47.

The square root of 12469997 is about 3531.2882918278. The cubic root of 12469997 is about 231.8936108020.

The spelling of 12469997 in words is "twelve million, four hundred sixty-nine thousand, nine hundred ninety-seven".