12838755830 has 8 divisors (see below), whose sum is σ = 23109760512. Its totient is φ = 5135502328.

The previous prime is 12838755817. The next prime is 12838755833. The reversal of 12838755830 is 3855783821.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12838755833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641937782 + ... + 641937801.

It is an arithmetic number, because the mean of its divisors is an integer number (2888720064).

Almost surely, 2^12838755830 is an apocalyptic number.

12838755830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12838755830 is a deficient number, since it is larger than the sum of its proper divisors (10271004682).

12838755830 is a wasteful number, since it uses less digits than its factorization.

12838755830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283875590.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 12838755830 in words is "twelve billion, eight hundred thirty-eight million, seven hundred fifty-five thousand, eight hundred thirty".