12415240 has 32 divisors (see below), whose sum is σ = 28085760. Its totient is φ = 4939200.

The previous prime is 12415237. The next prime is 12415267. The reversal of 12415240 is 4251421.

It is an unprimeable number.

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, 7705 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (877680).

Almost surely, 2^12415240 is an apocalyptic number.

12415240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12415240 is an abundant number, since it is smaller than the sum of its proper divisors (15670520).

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

12415240 is a wasteful number, since it uses less digits than its factorization.

12415240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 12415240 is about 3523.5266424422. The cubic root of 12415240 is about 231.5536901191.

Adding to 12415240 its reverse (4251421), we get a palindrome (16666661).

The spelling of 12415240 in words is "twelve million, four hundred fifteen thousand, two hundred forty".