12240336 has 20 divisors (see below), whose sum is σ = 31620992. Its totient is φ = 4080096.

The previous prime is 12240311. The next prime is 12240341. The reversal of 12240336 is 63304221.

It is a happy number.

12240336 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127456 + ... + 127551.

Almost surely, 2^12240336 is an apocalyptic number.

12240336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12240336 is an abundant number, since it is smaller than the sum of its proper divisors (19380656).

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

12240336 is a wasteful number, since it uses less digits than its factorization.

12240336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255018 (or 255012 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 12240336 is about 3498.6191561815. The cubic root of 12240336 is about 230.4611792587.

Adding to 12240336 its reverse (63304221), we get a palindrome (75544557).

The spelling of 12240336 in words is "twelve million, two hundred forty thousand, three hundred thirty-six".