12719838 has 16 divisors (see below), whose sum is σ = 25635456. Its totient is φ = 4207320.

The previous prime is 12719821. The next prime is 12719843. The reversal of 12719838 is 83891721.

12719838 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12719796 and 12719805.

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, 7306 + ... + 8877.

It is an arithmetic number, because the mean of its divisors is an integer number (1602216).

Almost surely, 2^12719838 is an apocalyptic number.

12719838 is an abundant number, since it is smaller than the sum of its proper divisors (12915618).

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

12719838 is a wasteful number, since it uses less digits than its factorization.

12719838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16319.

The product of its digits is 24192, while the sum is 39.

The square root of 12719838 is about 3566.4881886808. The cubic root of 12719838 is about 233.4320729497.

The spelling of 12719838 in words is "twelve million, seven hundred nineteen thousand, eight hundred thirty-eight".