12234540 has 24 divisors (see below), whose sum is σ = 34256880. Its totient is φ = 3262528.

The previous prime is 12234529. The next prime is 12234559. The reversal of 12234540 is 4543221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101895 + ... + 102014.

It is an arithmetic number, because the mean of its divisors is an integer number (1427370).

Almost surely, 2^12234540 is an apocalyptic number.

12234540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12234540 is an abundant number, since it is smaller than the sum of its proper divisors (22022340).

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

12234540 is a wasteful number, since it uses less digits than its factorization.

12234540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203921 (or 203919 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 12234540 is about 3497.7907313045. The cubic root of 12234540 is about 230.4247977987.

Adding to 12234540 its reverse (4543221), we get a palindrome (16777761).

The spelling of 12234540 in words is "twelve million, two hundred thirty-four thousand, five hundred forty".