13240673 has 2 divisors, whose sum is σ = 13240674. Its totient is φ = 13240672.

The previous prime is 13240657. The next prime is 13240681. The reversal of 13240673 is 37604231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10061584 + 3179089 = 3172^2 + 1783^2 .

It is a cyclic number.

It is not a de Polignac number, because 13240673 - 2⁴ = 13240657 is a prime.

It is not a weakly prime, because it can be changed into another prime (13240613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620336 + 6620337.

It is an arithmetic number, because the mean of its divisors is an integer number (6620337).

Almost surely, 2^13240673 is an apocalyptic number.

It is an amenable number.

13240673 is a deficient number, since it is larger than the sum of its proper divisors (1).

13240673 is an equidigital number, since it uses as much as digits as its factorization.

13240673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 13240673 is about 3638.7735571206. The cubic root of 13240673 is about 236.5756380290.

The spelling of 13240673 in words is "thirteen million, two hundred forty thousand, six hundred seventy-three".