11280260 has 12 divisors (see below), whose sum is σ = 23688588. Its totient is φ = 4512096.

The previous prime is 11280257. The next prime is 11280263. The reversal of 11280260 is 6208211.

It is an interprime number because it is at equal distance from previous prime (11280257) and next prime (11280263).

It can be written as a sum of positive squares in 2 ways, for example, as 4268356 + 7011904 = 2066^2 + 2648^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 564013 = 11280260 / (1 + 1 + 2 + 8 + 0 + 2 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (11280263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281987 + ... + 282026.

It is an arithmetic number, because the mean of its divisors is an integer number (1974049).

Almost surely, 2^11280260 is an apocalyptic number.

11280260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11280260 is an abundant number, since it is smaller than the sum of its proper divisors (12408328).

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

11280260 is a wasteful number, since it uses less digits than its factorization.

11280260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564022 (or 564020 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 11280260 is about 3358.6098314630. The cubic root of 11280260 is about 224.2709571864.

Adding to 11280260 its reverse (6208211), we get a palindrome (17488471).

The spelling of 11280260 in words is "eleven million, two hundred eighty thousand, two hundred sixty".