12132709 has 2 divisors, whose sum is σ = 12132710. Its totient is φ = 12132708.

The previous prime is 12132689. The next prime is 12132719. The reversal of 12132709 is 90723121.

12132709 is nontrivially palindromic in base 14.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12040900 + 91809 = 3470^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132709 - 2⁵ = 12132677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12132719) 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, 6066354 + 6066355.

It is an arithmetic number, because the mean of its divisors is an integer number (6066355).

Almost surely, 2^12132709 is an apocalyptic number.

It is an amenable number.

12132709 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132709 is an equidigital number, since it uses as much as digits as its factorization.

12132709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12132709 is about 3483.2038412932. The cubic root of 12132709 is about 229.7837223356.

The spelling of 12132709 in words is "twelve million, one hundred thirty-two thousand, seven hundred nine".