11260640 has 24 divisors (see below), whose sum is σ = 26603640. Its totient is φ = 4504192.

The previous prime is 11260637. The next prime is 11260649. The reversal of 11260640 is 4606211.

It is a happy number.

11260640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11260649) 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, 35030 + ... + 35349.

It is an arithmetic number, because the mean of its divisors is an integer number (1108485).

Almost surely, 2^11260640 is an apocalyptic number.

11260640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11260640 is an abundant number, since it is smaller than the sum of its proper divisors (15343000).

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

11260640 is an equidigital number, since it uses as much as digits as its factorization.

11260640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70394 (or 70386 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 11260640 is about 3355.6877089503. The cubic root of 11260640 is about 224.1408552866.

Adding to 11260640 its reverse (4606211), we get a palindrome (15866851).

The spelling of 11260640 in words is "eleven million, two hundred sixty thousand, six hundred forty".