11866245 has 16 divisors (see below), whose sum is σ = 19138560. Its totient is φ = 6277824.

The previous prime is 11866213. The next prime is 11866247. The reversal of 11866245 is 54266811.

It is not a de Polignac number, because 11866245 - 2⁵ = 11866213 is a prime.

It is a super-3 number, since 3×11866245³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11866247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210 + ... + 5019.

It is an arithmetic number, because the mean of its divisors is an integer number (1196160).

Almost surely, 2^11866245 is an apocalyptic number.

11866245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11866245 is a deficient number, since it is larger than the sum of its proper divisors (7272315).

11866245 is a wasteful number, since it uses less digits than its factorization.

11866245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364.

The product of its digits is 11520, while the sum is 33.

The square root of 11866245 is about 3444.7416448843. The cubic root of 11866245 is about 228.0890503181.

The spelling of 11866245 in words is "eleven million, eight hundred sixty-six thousand, two hundred forty-five".