11852817 has 4 divisors (see below), whose sum is σ = 15803760. Its totient is φ = 7901876.

The previous prime is 11852809. The next prime is 11852831. The reversal of 11852817 is 71825811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11852817 - 2³ = 11852809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11852807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975467 + ... + 1975472.

It is an arithmetic number, because the mean of its divisors is an integer number (3950940).

Almost surely, 2^11852817 is an apocalyptic number.

It is an amenable number.

11852817 is a deficient number, since it is larger than the sum of its proper divisors (3950943).

11852817 is an equidigital number, since it uses as much as digits as its factorization.

11852817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950942.

The product of its digits is 4480, while the sum is 33.

The square root of 11852817 is about 3442.7920355432. The cubic root of 11852817 is about 228.0029816477.

The spelling of 11852817 in words is "eleven million, eight hundred fifty-two thousand, eight hundred seventeen".