11280029 has 4 divisors (see below), whose sum is σ = 11312700. Its totient is φ = 11247360.

The previous prime is 11280011. The next prime is 11280041. The reversal of 11280029 is 92008211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92008211 = 23 ⋅4000357.

It can be written as a sum of positive squares in 2 ways, for example, as 6240004 + 5040025 = 2498^2 + 2245^2 .

It is a cyclic number.

It is not a de Polignac number, because 11280029 - 2¹⁶ = 11214493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11279986 and 11280013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11283029) 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, 15812 + ... + 16509.

It is an arithmetic number, because the mean of its divisors is an integer number (2828175).

Almost surely, 2^11280029 is an apocalyptic number.

It is an amenable number.

11280029 is a deficient number, since it is larger than the sum of its proper divisors (32671).

11280029 is an equidigital number, since it uses as much as digits as its factorization.

11280029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32670.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 11280029 is about 3358.5754420587. The cubic root of 11280029 is about 224.2694262836.

The spelling of 11280029 in words is "eleven million, two hundred eighty thousand, twenty-nine".