12838398 has 8 divisors (see below), whose sum is σ = 25676808. Its totient is φ = 4279464.

The previous prime is 12838373. The next prime is 12838409. The reversal of 12838398 is 89383821.

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

12838398 is an admirable number.

It is a congruent 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, 1069861 + ... + 1069872.

It is an arithmetic number, because the mean of its divisors is an integer number (3209601).

Almost surely, 2^12838398 is an apocalyptic number.

12838398 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.

12838398 is a wasteful number, since it uses less digits than its factorization.

12838398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139738.

The product of its digits is 82944, while the sum is 42.

The square root of 12838398 is about 3583.0710291592. The cubic root of 12838398 is about 234.1550947847.

The spelling of 12838398 in words is "twelve million, eight hundred thirty-eight thousand, three hundred ninety-eight".