11875669 has 4 divisors (see below), whose sum is σ = 12789196. Its totient is φ = 10962144.

The previous prime is 11875651. The next prime is 11875679. The reversal of 11875669 is 96657811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96657811 = 421 ⋅229591.

It can be written as a sum of positive squares in 2 ways, for example, as 786769 + 11088900 = 887^2 + 3330^2 .

It is a cyclic number.

It is not a de Polignac number, because 11875669 - 2¹⁷ = 11744597 is a prime.

It is a super-2 number, since 2×11875669² = 282063028395122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11875679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456744 + ... + 456769.

It is an arithmetic number, because the mean of its divisors is an integer number (3197299).

Almost surely, 2^11875669 is an apocalyptic number.

It is an amenable number.

11875669 is a deficient number, since it is larger than the sum of its proper divisors (913527).

11875669 is an equidigital number, since it uses as much as digits as its factorization.

11875669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913526.

The product of its digits is 90720, while the sum is 43.

The square root of 11875669 is about 3446.1092553777. The cubic root of 11875669 is about 228.1494160143.

It can be divided in two parts, 11875 and 669, that added together give a square (12544 = 112²).

The spelling of 11875669 in words is "eleven million, eight hundred seventy-five thousand, six hundred sixty-nine".