11072869 has 4 divisors (see below), whose sum is σ = 11089996. Its totient is φ = 11055744.

The previous prime is 11072863. The next prime is 11072891. The reversal of 11072869 is 96827011.

It is a happy number.

11072869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96827011 = 719 ⋅134669.

It can be written as a sum of positive squares in 2 ways, for example, as 7317025 + 3755844 = 2705^2 + 1938^2 .

It is a cyclic number.

It is not a de Polignac number, because 11072869 - 2³ = 11072861 is a prime.

It is a super-2 number, since 2×11072869² = 245216855782322, 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 (11072861) 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, 7554 + ... + 8899.

It is an arithmetic number, because the mean of its divisors is an integer number (2772499).

Almost surely, 2^11072869 is an apocalyptic number.

It is an amenable number.

11072869 is a deficient number, since it is larger than the sum of its proper divisors (17127).

11072869 is an equidigital number, since it uses as much as digits as its factorization.

11072869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17126.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 11072869 is about 3327.5920723550. The cubic root of 11072869 is about 222.8880171331. Note that the first 3 decimals are identical.

The spelling of 11072869 in words is "eleven million, seventy-two thousand, eight hundred sixty-nine".