11326540 has 24 divisors (see below), whose sum is σ = 23853312. Its totient is φ = 4517760.

The previous prime is 11326529. The next prime is 11326543. The reversal of 11326540 is 4562311.

It is not an unprimeable number, because it can be changed into a prime (11326543) 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 7 ways as a sum of consecutive naturals, for example, 9877 + ... + 10963.

It is an arithmetic number, because the mean of its divisors is an integer number (993888).

Almost surely, 2^11326540 is an apocalyptic number.

11326540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11326540 is an abundant number, since it is smaller than the sum of its proper divisors (12526772).

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

11326540 is a wasteful number, since it uses less digits than its factorization.

11326540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 11326540 is about 3365.4925345334. The cubic root of 11326540 is about 224.5772473395.

Adding to 11326540 its reverse (4562311), we get a palindrome (15888851).

The spelling of 11326540 in words is "eleven million, three hundred twenty-six thousand, five hundred forty".