12799838 has 16 divisors (see below), whose sum is σ = 19906560. Its totient is φ = 6166200.

The previous prime is 12799837. The next prime is 12799847. The reversal of 12799838 is 83899721.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12799792 and 12799801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12799837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26483 + ... + 26961.

It is an arithmetic number, because the mean of its divisors is an integer number (1244160).

Almost surely, 2^12799838 is an apocalyptic number.

12799838 is a deficient number, since it is larger than the sum of its proper divisors (7106722).

12799838 is a wasteful number, since it uses less digits than its factorization.

12799838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its digits is 217728, while the sum is 47.

The square root of 12799838 is about 3577.6861237398. The cubic root of 12799838 is about 233.9204321969.

The spelling of 12799838 in words is "twelve million, seven hundred ninety-nine thousand, eight hundred thirty-eight".