12438012 has 24 divisors (see below), whose sum is σ = 29094912. Its totient is φ = 4135600.

The previous prime is 12437969. The next prime is 12438043. The reversal of 12438012 is 21083421.

It is a self number, because there is not a number n which added to its sum of digits gives 12438012.

It is a congruent number.

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, 4837 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (1212288).

Almost surely, 2^12438012 is an apocalyptic number.

12438012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12438012 is an abundant number, since it is smaller than the sum of its proper divisors (16656900).

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

12438012 is a wasteful number, since it uses less digits than its factorization.

12438012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12438012 is about 3526.7565836048. The cubic root of 12438012 is about 231.6951753701.

The spelling of 12438012 in words is "twelve million, four hundred thirty-eight thousand, twelve".