11280830 has 24 divisors (see below), whose sum is σ = 22321656. Its totient is φ = 4101680.

The previous prime is 11280817. The next prime is 11280881. The reversal of 11280830 is 3808211.

11280830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11280796 and 11280805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3452 + ... + 5871.

It is an arithmetic number, because the mean of its divisors is an integer number (930069).

Almost surely, 2^11280830 is an apocalyptic number.

11280830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11280830 is a deficient number, since it is larger than the sum of its proper divisors (11040826).

11280830 is a wasteful number, since it uses less digits than its factorization.

11280830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9352 (or 9341 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 11280830 is about 3358.6946869282. The cubic root of 11280830 is about 224.2747346493.

The spelling of 11280830 in words is "eleven million, two hundred eighty thousand, eight hundred thirty".