12432997 has 2 divisors, whose sum is σ = 12432998. Its totient is φ = 12432996.

The previous prime is 12432971. The next prime is 12433009. The reversal of 12432997 is 79923421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10666756 + 1766241 = 3266^2 + 1329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12432997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12432907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216498 + 6216499.

It is an arithmetic number, because the mean of its divisors is an integer number (6216499).

Almost surely, 2^12432997 is an apocalyptic number.

It is an amenable number.

12432997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432997 is an equidigital number, since it uses as much as digits as its factorization.

12432997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 12432997 is about 3526.0455187079. The cubic root of 12432997 is about 231.6640313924.

The spelling of 12432997 in words is "twelve million, four hundred thirty-two thousand, nine hundred ninety-seven".