12335540 has 96 divisors (see below), whose sum is σ = 32223744. Its totient is φ = 3870720.

The previous prime is 12335537. The next prime is 12335563. The reversal of 12335540 is 4553321.

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 31 ways as a sum of consecutive naturals, for example, 168944 + ... + 169016.

It is an arithmetic number, because the mean of its divisors is an integer number (335664).

Almost surely, 2^12335540 is an apocalyptic number.

12335540 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 12335540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16111872).

12335540 is an abundant number, since it is smaller than the sum of its proper divisors (19888204).

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

12335540 is a wasteful number, since it uses less digits than its factorization.

12335540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 12335540 is about 3512.1987415293. The cubic root of 12335540 is about 231.0571374686.

Adding to 12335540 its reverse (4553321), we get a palindrome (16888861).

The spelling of 12335540 in words is "twelve million, three hundred thirty-five thousand, five hundred forty".