11797571 has 2 divisors, whose sum is σ = 11797572. Its totient is φ = 11797570.

The previous prime is 11797567. The next prime is 11797579. The reversal of 11797571 is 17579711.

It is a weak prime.

It is an emirp because it is prime and its reverse (17579711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11797571 - 2² = 11797567 is a prime.

It is not a weakly prime, because it can be changed into another prime (11797579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5898785 + 5898786.

It is an arithmetic number, because the mean of its divisors is an integer number (5898786).

Almost surely, 2^11797571 is an apocalyptic number.

11797571 is a deficient number, since it is larger than the sum of its proper divisors (1).

11797571 is an equidigital number, since it uses as much as digits as its factorization.

11797571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15435, while the sum is 38.

The square root of 11797571 is about 3434.7592346480. The cubic root of 11797571 is about 227.6481890853.

The spelling of 11797571 in words is "eleven million, seven hundred ninety-seven thousand, five hundred seventy-one".