11862017 has 4 divisors (see below), whose sum is σ = 11874240. Its totient is φ = 11849796.

The previous prime is 11862013. The next prime is 11862029. The reversal of 11862017 is 71026811.

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 11862017 - 2² = 11862013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11862013) 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, 4517 + ... + 6642.

It is an arithmetic number, because the mean of its divisors is an integer number (2968560).

It is a Proth number, since it is equal to 181 ⋅ 2¹⁶ + 1 and 181 < 2¹⁶.

Almost surely, 2^11862017 is an apocalyptic number.

It is an amenable number.

11862017 is a deficient number, since it is larger than the sum of its proper divisors (12223).

11862017 is a wasteful number, since it uses less digits than its factorization.

11862017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 11862017 is about 3444.1279012255. The cubic root of 11862017 is about 228.0619573592.

Adding to 11862017 its reverse (71026811), we get a palindrome (82888828).

The spelling of 11862017 in words is "eleven million, eight hundred sixty-two thousand, seventeen".