11069869 has 4 divisors (see below), whose sum is σ = 11083644. Its totient is φ = 11056096.

The previous prime is 11069857. The next prime is 11069879. The reversal of 11069869 is 96896011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96896011 = 349 ⋅277639.

It can be written as a sum of positive squares in 2 ways, for example, as 8468100 + 2601769 = 2910^2 + 1613^2 .

It is a cyclic number.

It is not a de Polignac number, because 11069869 - 2⁷ = 11069741 is a prime.

It is a super-2 number, since 2×11069869² = 245083999354322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11069879) 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, 5602 + ... + 7315.

It is an arithmetic number, because the mean of its divisors is an integer number (2770911).

Almost surely, 2^11069869 is an apocalyptic number.

It is an amenable number.

11069869 is a deficient number, since it is larger than the sum of its proper divisors (13775).

11069869 is an equidigital number, since it uses as much as digits as its factorization.

11069869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13774.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 11069869 is about 3327.1412654109. The cubic root of 11069869 is about 222.8678861129.

The spelling of 11069869 in words is "eleven million, sixty-nine thousand, eight hundred sixty-nine".