11418280 has 16 divisors (see below), whose sum is σ = 25691220. Its totient is φ = 4567296.

The previous prime is 11418247. The next prime is 11418283. The reversal of 11418280 is 8281411.

11418280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11410884 + 7396 = 3378^2 + 86^2 .

It is not an unprimeable number, because it can be changed into a prime (11418283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142689 + ... + 142768.

Almost surely, 2^11418280 is an apocalyptic number.

11418280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11418280 is an abundant number, since it is smaller than the sum of its proper divisors (14272940).

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

11418280 is a wasteful number, since it uses less digits than its factorization.

11418280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285468 (or 285464 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 11418280 is about 3379.0945532790. The cubic root of 11418280 is about 225.1819433691.

Adding to 11418280 its reverse (8281411), we get a palindrome (19699691).

The spelling of 11418280 in words is "eleven million, four hundred eighteen thousand, two hundred eighty".