11280930 has 32 divisors (see below), whose sum is σ = 27808704. Its totient is φ = 2926656.

The previous prime is 11280883. The next prime is 11280937. The reversal of 11280930 is 3908211.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11280930.

It is not an unprimeable number, because it can be changed into a prime (11280937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3972 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (869022).

Almost surely, 2^11280930 is an apocalyptic number.

11280930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11280930 is an abundant number, since it is smaller than the sum of its proper divisors (16527774).

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

11280930 is a wasteful number, since it uses less digits than its factorization.

11280930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11280930 is about 3358.7095736309. The cubic root of 11280930 is about 224.2753973490.

The spelling of 11280930 in words is "eleven million, two hundred eighty thousand, nine hundred thirty".