12438692 has 48 divisors (see below), whose sum is σ = 26557440. Its totient is φ = 4979232.

The previous prime is 12438683. The next prime is 12438707. The reversal of 12438692 is 29683421.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 54683 + ... + 54909.

It is an arithmetic number, because the mean of its divisors is an integer number (553280).

Almost surely, 2^12438692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12438692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13278720).

12438692 is an abundant number, since it is smaller than the sum of its proper divisors (14118748).

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

12438692 is a wasteful number, since it uses less digits than its factorization.

12438692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 358 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 12438692 is about 3526.8529881468. The cubic root of 12438692 is about 231.6993976378.

The spelling of 12438692 in words is "twelve million, four hundred thirty-eight thousand, six hundred ninety-two".