11697541 has 2 divisors, whose sum is σ = 11697542. Its totient is φ = 11697540.

The previous prime is 11697533. The next prime is 11697551. The reversal of 11697541 is 14579611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11390625 + 306916 = 3375^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 11697541 - 2³ = 11697533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11697497 and 11697506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11697551) 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, 5848770 + 5848771.

It is an arithmetic number, because the mean of its divisors is an integer number (5848771).

Almost surely, 2^11697541 is an apocalyptic number.

It is an amenable number.

11697541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11697541 is an equidigital number, since it uses as much as digits as its factorization.

11697541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 11697541 is about 3420.1668087975. The cubic root of 11697541 is about 227.0029626943.

The spelling of 11697541 in words is "eleven million, six hundred ninety-seven thousand, five hundred forty-one".