11860571 has 4 divisors (see below), whose sum is σ = 12376272. Its totient is φ = 11344872.

The previous prime is 11860547. The next prime is 11860573. The reversal of 11860571 is 17506811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17506811 = 7 ⋅2500973.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11860571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11860573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257816 + ... + 257861.

It is an arithmetic number, because the mean of its divisors is an integer number (3094068).

Almost surely, 2^11860571 is an apocalyptic number.

11860571 is a deficient number, since it is larger than the sum of its proper divisors (515701).

11860571 is an equidigital number, since it uses as much as digits as its factorization.

11860571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515700.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 11860571 is about 3443.9179723100. The cubic root of 11860571 is about 228.0526899361.

The spelling of 11860571 in words is "eleven million, eight hundred sixty thousand, five hundred seventy-one".