12432011 has 2 divisors, whose sum is σ = 12432012. Its totient is φ = 12432010.

The previous prime is 12431977. The next prime is 12432053. The reversal of 12432011 is 11023421.

It is a weak prime.

It is an emirp because it is prime and its reverse (11023421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12432011 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12432071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216005 + 6216006.

It is an arithmetic number, because the mean of its divisors is an integer number (6216006).

Almost surely, 2^12432011 is an apocalyptic number.

12432011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432011 is an equidigital number, since it uses as much as digits as its factorization.

12432011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12432011 is about 3525.9056992495. The cubic root of 12432011 is about 231.6579071845.

Adding to 12432011 its reverse (11023421), we get a palindrome (23455432).

The spelling of 12432011 in words is "twelve million, four hundred thirty-two thousand, eleven".