12415812 has 12 divisors (see below), whose sum is σ = 28970256. Its totient is φ = 4138600.

The previous prime is 12415807. The next prime is 12415813. The reversal of 12415812 is 21851421.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (12415813) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 517314 + ... + 517337.

It is an arithmetic number, because the mean of its divisors is an integer number (2414188).

Almost surely, 2^12415812 is an apocalyptic number.

12415812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12415812 is an abundant number, since it is smaller than the sum of its proper divisors (16554444).

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

12415812 is a wasteful number, since it uses less digits than its factorization.

12415812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034658 (or 1034656 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 12415812 is about 3523.6078101855. The cubic root of 12415812 is about 231.5572461432.

The spelling of 12415812 in words is "twelve million, four hundred fifteen thousand, eight hundred twelve".