12438786 has 8 divisors (see below), whose sum is σ = 24877584. Its totient is φ = 4146260.

The previous prime is 12438773. The next prime is 12438799. The reversal of 12438786 is 68783421.

12438786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12438773) and next prime (12438799).

It is a sphenic number, since it is the product of 3 distinct primes.

12438786 is an admirable 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, 1036560 + ... + 1036571.

It is an arithmetic number, because the mean of its divisors is an integer number (3109698).

Almost surely, 2^12438786 is an apocalyptic number.

12438786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12438786 is a wasteful number, since it uses less digits than its factorization.

12438786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073136.

The product of its digits is 64512, while the sum is 39.

The square root of 12438786 is about 3526.8663144497. The cubic root of 12438786 is about 231.6999812921.

The spelling of 12438786 in words is "twelve million, four hundred thirty-eight thousand, seven hundred eighty-six".