11270340 has 84 divisors (see below), whose sum is σ = 35531244. Its totient is φ = 3001536.

The previous prime is 11270317. The next prime is 11270351. The reversal of 11270340 is 4307211.

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 9144576 = 1458^2 + 3024^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14194 + ... + 14966.

It is an arithmetic number, because the mean of its divisors is an integer number (422991).

Almost surely, 2^11270340 is an apocalyptic number.

11270340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11270340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17765622).

11270340 is an abundant number, since it is smaller than the sum of its proper divisors (24260904).

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

11270340 is an equidigital number, since it uses as much as digits as its factorization.

11270340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 11270340 is about 3357.1327051518. The cubic root of 11270340 is about 224.2051956886.

Adding to 11270340 its reverse (4307211), we get a palindrome (15577551).

The spelling of 11270340 in words is "eleven million, two hundred seventy thousand, three hundred forty".