11866393 has 16 divisors (see below), whose sum is σ = 15575040. Its totient is φ = 8758800.

The previous prime is 11866363. The next prime is 11866399. The reversal of 11866393 is 39366811.

It is a cyclic number.

It is not a de Polignac number, because 11866393 - 2¹³ = 11858201 is a prime.

It is a super-2 number, since 2×11866393² = 281622565660898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11866399) 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, 2593 + ... + 5518.

It is an arithmetic number, because the mean of its divisors is an integer number (973440).

Almost surely, 2^11866393 is an apocalyptic number.

It is an amenable number.

11866393 is a deficient number, since it is larger than the sum of its proper divisors (3708647).

11866393 is a wasteful number, since it uses less digits than its factorization.

11866393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8148.

The product of its digits is 23328, while the sum is 37.

The square root of 11866393 is about 3444.7631268347. The cubic root of 11866393 is about 228.0899985832.

The spelling of 11866393 in words is "eleven million, eight hundred sixty-six thousand, three hundred ninety-three".