11742517 has 2 divisors, whose sum is σ = 11742518. Its totient is φ = 11742516.

The previous prime is 11742503. The next prime is 11742553. The reversal of 11742517 is 71524711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11737476 + 5041 = 3426^2 + 71^2 .

It is a cyclic number.

It is not a de Polignac number, because 11742517 - 2⁷ = 11742389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11742217) 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, 5871258 + 5871259.

It is an arithmetic number, because the mean of its divisors is an integer number (5871259).

Almost surely, 2^11742517 is an apocalyptic number.

It is an amenable number.

11742517 is a deficient number, since it is larger than the sum of its proper divisors (1).

11742517 is an equidigital number, since it uses as much as digits as its factorization.

11742517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1960, while the sum is 28.

The square root of 11742517 is about 3426.7356186318. The cubic root of 11742517 is about 227.2935259850.

The spelling of 11742517 in words is "eleven million, seven hundred forty-two thousand, five hundred seventeen".