11757289 has 2 divisors, whose sum is σ = 11757290. Its totient is φ = 11757288.

The previous prime is 11757287. The next prime is 11757293. The reversal of 11757289 is 98275711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11256025 + 501264 = 3355^2 + 708^2 .

It is a cyclic number.

It is not a de Polignac number, because 11757289 - 2¹ = 11757287 is a prime.

Together with 11757287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11757287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5878644 + 5878645.

It is an arithmetic number, because the mean of its divisors is an integer number (5878645).

Almost surely, 2^11757289 is an apocalyptic number.

It is an amenable number.

11757289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11757289 is an equidigital number, since it uses as much as digits as its factorization.

11757289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 40.

The square root of 11757289 is about 3428.8903452866. The cubic root of 11757289 is about 227.3887972405.

It can be divided in two parts, 1175 and 7289, that added together give a square (8464 = 92²).

The spelling of 11757289 in words is "eleven million, seven hundred fifty-seven thousand, two hundred eighty-nine".