12723798 has 16 divisors (see below), whose sum is σ = 25686720. Its totient is φ = 4201416.

The previous prime is 12723797. The next prime is 12723833. The reversal of 12723798 is 89732721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12723791) 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, 9268 + ... + 10551.

It is an arithmetic number, because the mean of its divisors is an integer number (1605420).

Almost surely, 2^12723798 is an apocalyptic number.

12723798 is an abundant number, since it is smaller than the sum of its proper divisors (12962922).

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

12723798 is a wasteful number, since it uses less digits than its factorization.

12723798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19931.

The product of its digits is 42336, while the sum is 39.

The square root of 12723798 is about 3567.0433134460. The cubic root of 12723798 is about 233.4562948278.

The spelling of 12723798 in words is "twelve million, seven hundred twenty-three thousand, seven hundred ninety-eight".