11966285 has 4 divisors (see below), whose sum is σ = 14359548. Its totient is φ = 9573024.

The previous prime is 11966263. The next prime is 11966293. The reversal of 11966285 is 58266911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58266911 = 4691 ⋅12421.

It can be written as a sum of positive squares in 2 ways, for example, as 1713481 + 10252804 = 1309^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 11966285 - 2¹⁸ = 11704141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196624 + ... + 1196633.

It is an arithmetic number, because the mean of its divisors is an integer number (3589887).

Almost surely, 2^11966285 is an apocalyptic number.

It is an amenable number.

11966285 is a deficient number, since it is larger than the sum of its proper divisors (2393263).

11966285 is an equidigital number, since it uses as much as digits as its factorization.

11966285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393262.

The product of its digits is 25920, while the sum is 38.

The square root of 11966285 is about 3459.2318511485. The cubic root of 11966285 is about 228.7282360573.

The spelling of 11966285 in words is "eleven million, nine hundred sixty-six thousand, two hundred eighty-five".