11268980 has 12 divisors (see below), whose sum is σ = 23664900. Its totient is φ = 4507584.

The previous prime is 11268953. The next prime is 11269001. The reversal of 11268980 is 8986211.

It can be written as a sum of positive squares in 2 ways, for example, as 2951524 + 8317456 = 1718^2 + 2884^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11268980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281705 + ... + 281744.

It is an arithmetic number, because the mean of its divisors is an integer number (1972075).

Almost surely, 2^11268980 is an apocalyptic number.

11268980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11268980 is an abundant number, since it is smaller than the sum of its proper divisors (12395920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11268980 is a wasteful number, since it uses less digits than its factorization.

11268980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563458 (or 563456 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 11268980 is about 3356.9301452369. The cubic root of 11268980 is about 224.1961769920.

The spelling of 11268980 in words is "eleven million, two hundred sixty-eight thousand, nine hundred eighty".