12432961 has 2 divisors, whose sum is σ = 12432962. Its totient is φ = 12432960.

The previous prime is 12432947. The next prime is 12432971. The reversal of 12432961 is 16923421.

It is the 1440-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7728400 + 4704561 = 2780^2 + 2169^2 .

It is a cyclic number.

It is not a de Polignac number, because 12432961 - 2⁵ = 12432929 is a prime.

It is not a weakly prime, because it can be changed into another prime (12432971) 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, 6216480 + 6216481.

It is an arithmetic number, because the mean of its divisors is an integer number (6216481).

Almost surely, 2^12432961 is an apocalyptic number.

It is an amenable number.

12432961 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432961 is an equidigital number, since it uses as much as digits as its factorization.

12432961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 12432961 is about 3526.0404138353. The cubic root of 12432961 is about 231.6638077962.

The spelling of 12432961 in words is "twelve million, four hundred thirty-two thousand, nine hundred sixty-one".