13446709 has 2 divisors, whose sum is σ = 13446710. Its totient is φ = 13446708.

The previous prime is 13446679. The next prime is 13446739. The reversal of 13446709 is 90764431.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (13446679) and next prime (13446739).

It can be written as a sum of positive squares in only one way, i.e., 7171684 + 6275025 = 2678^2 + 2505^2 .

It is a cyclic number.

It is not a de Polignac number, because 13446709 - 2²³ = 5058101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13446739) 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, 6723354 + 6723355.

It is an arithmetic number, because the mean of its divisors is an integer number (6723355).

Almost surely, 2^13446709 is an apocalyptic number.

It is an amenable number.

13446709 is a deficient number, since it is larger than the sum of its proper divisors (1).

13446709 is an equidigital number, since it uses as much as digits as its factorization.

13446709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 13446709 is about 3666.9754566945. The cubic root of 13446709 is about 237.7964328117.

The spelling of 13446709 in words is "thirteen million, four hundred forty-six thousand, seven hundred nine".